Home / 25,072.56-34,586.40-15,981.04

Finding the Fourth Proportional to 25,072.56, 34,586.40 and 15,981.04

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Solution

The fourth proportional to 25,072.56, 34,586.40 and 15,981.04 is: 22,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.56 : 34,586.40 = 15,981.04 : x
  2. Step 2: Convert to fraction form
    25,072.56/34,586.40 = 15,981.04/x
  3. Step 3: Cross multiply
    25,072.56x = 34,586.40 × 15,981.04
  4. Step 4: Simplify right side
    25,072.56x = 552,726,641.86
  5. Step 5: Solve for x
    x = 552,726,641.86/25,072.56
  6. Step 6: Final answer
    x = 22,045.08

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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.