Home / 14,406.49-21,587.86-10,691.34

Finding the Fourth Proportional to 14,406.49, 21,587.86 and 10,691.34

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Solution

The fourth proportional to 14,406.49, 21,587.86 and 10,691.34 is: 16,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.49 : 21,587.86 = 10,691.34 : x
  2. Step 2: Convert to fraction form
    14,406.49/21,587.86 = 10,691.34/x
  3. Step 3: Cross multiply
    14,406.49x = 21,587.86 × 10,691.34
  4. Step 4: Simplify right side
    14,406.49x = 230,803,151.13
  5. Step 5: Solve for x
    x = 230,803,151.13/14,406.49
  6. Step 6: Final answer
    x = 16,020.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.