Home / 25,172.56-37,929.35-20,886.04

Finding the Fourth Proportional to 25,172.56, 37,929.35 and 20,886.04

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Solution

The fourth proportional to 25,172.56, 37,929.35 and 20,886.04 is: 31,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.56 : 37,929.35 = 20,886.04 : x
  2. Step 2: Convert to fraction form
    25,172.56/37,929.35 = 20,886.04/x
  3. Step 3: Cross multiply
    25,172.56x = 37,929.35 × 20,886.04
  4. Step 4: Simplify right side
    25,172.56x = 792,193,921.27
  5. Step 5: Solve for x
    x = 792,193,921.27/25,172.56
  6. Step 6: Final answer
    x = 31,470.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.