Home / 19,269.36-26,591.04-10,885.68

Finding the Fourth Proportional to 19,269.36, 26,591.04 and 10,885.68

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Solution

The fourth proportional to 19,269.36, 26,591.04 and 10,885.68 is: 15,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.36 : 26,591.04 = 10,885.68 : x
  2. Step 2: Convert to fraction form
    19,269.36/26,591.04 = 10,885.68/x
  3. Step 3: Cross multiply
    19,269.36x = 26,591.04 × 10,885.68
  4. Step 4: Simplify right side
    19,269.36x = 289,461,552.31
  5. Step 5: Solve for x
    x = 289,461,552.31/19,269.36
  6. Step 6: Final answer
    x = 15,021.86

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.