Home / 25,534.44-38,345.40-20,373.12

Finding the Fourth Proportional to 25,534.44, 38,345.40 and 20,373.12

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Solution

The fourth proportional to 25,534.44, 38,345.40 and 20,373.12 is: 30,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,534.44 : 38,345.40 = 20,373.12 : x
  2. Step 2: Convert to fraction form
    25,534.44/38,345.40 = 20,373.12/x
  3. Step 3: Cross multiply
    25,534.44x = 38,345.40 × 20,373.12
  4. Step 4: Simplify right side
    25,534.44x = 781,215,435.65
  5. Step 5: Solve for x
    x = 781,215,435.65/25,534.44
  6. Step 6: Final answer
    x = 30,594.58

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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.