Home / 25,251.95-34,842.86-15,176.87

Finding the Fourth Proportional to 25,251.95, 34,842.86 and 15,176.87

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Solution

The fourth proportional to 25,251.95, 34,842.86 and 15,176.87 is: 20,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.95 : 34,842.86 = 15,176.87 : x
  2. Step 2: Convert to fraction form
    25,251.95/34,842.86 = 15,176.87/x
  3. Step 3: Cross multiply
    25,251.95x = 34,842.86 × 15,176.87
  4. Step 4: Simplify right side
    25,251.95x = 528,805,494.12
  5. Step 5: Solve for x
    x = 528,805,494.12/25,251.95
  6. Step 6: Final answer
    x = 20,941.17

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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.