Home / 19,698.51-27,298.94-19,324.69

Finding the Fourth Proportional to 19,698.51, 27,298.94 and 19,324.69

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Solution

The fourth proportional to 19,698.51, 27,298.94 and 19,324.69 is: 26,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.51 : 27,298.94 = 19,324.69 : x
  2. Step 2: Convert to fraction form
    19,698.51/27,298.94 = 19,324.69/x
  3. Step 3: Cross multiply
    19,698.51x = 27,298.94 × 19,324.69
  4. Step 4: Simplify right side
    19,698.51x = 527,543,727.67
  5. Step 5: Solve for x
    x = 527,543,727.67/19,698.51
  6. Step 6: Final answer
    x = 26,780.90

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Half scale
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Double scale
Find fourth proportional to 19,699.51, 27,300.33 and 19,325.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.