Home / 19,762.43-27,270.68-10,809.47

Finding the Fourth Proportional to 19,762.43, 27,270.68 and 10,809.47

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Solution

The fourth proportional to 19,762.43, 27,270.68 and 10,809.47 is: 14,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.43 : 27,270.68 = 10,809.47 : x
  2. Step 2: Convert to fraction form
    19,762.43/27,270.68 = 10,809.47/x
  3. Step 3: Cross multiply
    19,762.43x = 27,270.68 × 10,809.47
  4. Step 4: Simplify right side
    19,762.43x = 294,781,543.29
  5. Step 5: Solve for x
    x = 294,781,543.29/19,762.43
  6. Step 6: Final answer
    x = 14,916.26

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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.