Home / 25,269.40-34,874.16-14,515.78

Finding the Fourth Proportional to 25,269.40, 34,874.16 and 14,515.78

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Solution

The fourth proportional to 25,269.40, 34,874.16 and 14,515.78 is: 20,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.40 : 34,874.16 = 14,515.78 : x
  2. Step 2: Convert to fraction form
    25,269.40/34,874.16 = 14,515.78/x
  3. Step 3: Cross multiply
    25,269.40x = 34,874.16 × 14,515.78
  4. Step 4: Simplify right side
    25,269.40x = 506,225,634.24
  5. Step 5: Solve for x
    x = 506,225,634.24/25,269.40
  6. Step 6: Final answer
    x = 20,033.15

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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.