Home / 19,715.43-27,207.37-10,763.13

Finding the Fourth Proportional to 19,715.43, 27,207.37 and 10,763.13

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Solution

The fourth proportional to 19,715.43, 27,207.37 and 10,763.13 is: 14,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.43 : 27,207.37 = 10,763.13 : x
  2. Step 2: Convert to fraction form
    19,715.43/27,207.37 = 10,763.13/x
  3. Step 3: Cross multiply
    19,715.43x = 27,207.37 × 10,763.13
  4. Step 4: Simplify right side
    19,715.43x = 292,836,460.27
  5. Step 5: Solve for x
    x = 292,836,460.27/19,715.43
  6. Step 6: Final answer
    x = 14,853.16

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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.