Home / 25,246.60-34,842.90-15,178.30

Finding the Fourth Proportional to 25,246.60, 34,842.90 and 15,178.30

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Solution

The fourth proportional to 25,246.60, 34,842.90 and 15,178.30 is: 20,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,246.60 : 34,842.90 = 15,178.30 : x
  2. Step 2: Convert to fraction form
    25,246.60/34,842.90 = 15,178.30/x
  3. Step 3: Cross multiply
    25,246.60x = 34,842.90 × 15,178.30
  4. Step 4: Simplify right side
    25,246.60x = 528,855,989.07
  5. Step 5: Solve for x
    x = 528,855,989.07/25,246.60
  6. Step 6: Final answer
    x = 20,947.61

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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.