Home / 25,451.01-38,191.10-14,215.77

Finding the Fourth Proportional to 25,451.01, 38,191.10 and 14,215.77

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Solution

The fourth proportional to 25,451.01, 38,191.10 and 14,215.77 is: 21,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.01 : 38,191.10 = 14,215.77 : x
  2. Step 2: Convert to fraction form
    25,451.01/38,191.10 = 14,215.77/x
  3. Step 3: Cross multiply
    25,451.01x = 38,191.10 × 14,215.77
  4. Step 4: Simplify right side
    25,451.01x = 542,915,822.57
  5. Step 5: Solve for x
    x = 542,915,822.57/25,451.01
  6. Step 6: Final answer
    x = 21,331.80

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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.