Home / 21,459.23-29,612.13-12,025.97

Finding the Fourth Proportional to 21,459.23, 29,612.13 and 12,025.97

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Solution

The fourth proportional to 21,459.23, 29,612.13 and 12,025.97 is: 16,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.23 : 29,612.13 = 12,025.97 : x
  2. Step 2: Convert to fraction form
    21,459.23/29,612.13 = 12,025.97/x
  3. Step 3: Cross multiply
    21,459.23x = 29,612.13 × 12,025.97
  4. Step 4: Simplify right side
    21,459.23x = 356,114,572.55
  5. Step 5: Solve for x
    x = 356,114,572.55/21,459.23
  6. Step 6: Final answer
    x = 16,594.94

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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.