Home / 20,033.34-27,615.33-14,989.92

Finding the Fourth Proportional to 20,033.34, 27,615.33 and 14,989.92

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Solution

The fourth proportional to 20,033.34, 27,615.33 and 14,989.92 is: 20,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.34 : 27,615.33 = 14,989.92 : x
  2. Step 2: Convert to fraction form
    20,033.34/27,615.33 = 14,989.92/x
  3. Step 3: Cross multiply
    20,033.34x = 27,615.33 × 14,989.92
  4. Step 4: Simplify right side
    20,033.34x = 413,951,587.47
  5. Step 5: Solve for x
    x = 413,951,587.47/20,033.34
  6. Step 6: Final answer
    x = 20,663.13

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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.