Home / 25,002.19-34,502.65-13,671.73

Finding the Fourth Proportional to 25,002.19, 34,502.65 and 13,671.73

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Solution

The fourth proportional to 25,002.19, 34,502.65 and 13,671.73 is: 18,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,002.19 : 34,502.65 = 13,671.73 : x
  2. Step 2: Convert to fraction form
    25,002.19/34,502.65 = 13,671.73/x
  3. Step 3: Cross multiply
    25,002.19x = 34,502.65 × 13,671.73
  4. Step 4: Simplify right side
    25,002.19x = 471,710,915.08
  5. Step 5: Solve for x
    x = 471,710,915.08/25,002.19
  6. Step 6: Final answer
    x = 18,866.78

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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.