Home / 19,490.08-29,201.76-16,390.12

Finding the Fourth Proportional to 19,490.08, 29,201.76 and 16,390.12

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Solution

The fourth proportional to 19,490.08, 29,201.76 and 16,390.12 is: 24,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.08 : 29,201.76 = 16,390.12 : x
  2. Step 2: Convert to fraction form
    19,490.08/29,201.76 = 16,390.12/x
  3. Step 3: Cross multiply
    19,490.08x = 29,201.76 × 16,390.12
  4. Step 4: Simplify right side
    19,490.08x = 478,620,350.61
  5. Step 5: Solve for x
    x = 478,620,350.61/19,490.08
  6. Step 6: Final answer
    x = 24,557.13

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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.