Home / 25,434.10-38,124.15-12,277.90

Finding the Fourth Proportional to 25,434.10, 38,124.15 and 12,277.90

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Solution

The fourth proportional to 25,434.10, 38,124.15 and 12,277.90 is: 18,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.10 : 38,124.15 = 12,277.90 : x
  2. Step 2: Convert to fraction form
    25,434.10/38,124.15 = 12,277.90/x
  3. Step 3: Cross multiply
    25,434.10x = 38,124.15 × 12,277.90
  4. Step 4: Simplify right side
    25,434.10x = 468,084,501.29
  5. Step 5: Solve for x
    x = 468,084,501.29/25,434.10
  6. Step 6: Final answer
    x = 18,403.82

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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.