Home / 19,005.69-26,230.07-15,813.36

Finding the Fourth Proportional to 19,005.69, 26,230.07 and 15,813.36

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Solution

The fourth proportional to 19,005.69, 26,230.07 and 15,813.36 is: 21,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.69 : 26,230.07 = 15,813.36 : x
  2. Step 2: Convert to fraction form
    19,005.69/26,230.07 = 15,813.36/x
  3. Step 3: Cross multiply
    19,005.69x = 26,230.07 × 15,813.36
  4. Step 4: Simplify right side
    19,005.69x = 414,785,460.67
  5. Step 5: Solve for x
    x = 414,785,460.67/19,005.69
  6. Step 6: Final answer
    x = 21,824.28

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Half scale
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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.