Home / 25,607.55-38,378.52-19,751.88

Finding the Fourth Proportional to 25,607.55, 38,378.52 and 19,751.88

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Solution

The fourth proportional to 25,607.55, 38,378.52 and 19,751.88 is: 29,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.55 : 38,378.52 = 19,751.88 : x
  2. Step 2: Convert to fraction form
    25,607.55/38,378.52 = 19,751.88/x
  3. Step 3: Cross multiply
    25,607.55x = 38,378.52 × 19,751.88
  4. Step 4: Simplify right side
    25,607.55x = 758,047,921.62
  5. Step 5: Solve for x
    x = 758,047,921.62/25,607.55
  6. Step 6: Final answer
    x = 29,602.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.