Home / 25,439.13-38,152.22-7,899.93

Finding the Fourth Proportional to 25,439.13, 38,152.22 and 7,899.93

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Solution

The fourth proportional to 25,439.13, 38,152.22 and 7,899.93 is: 11,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.13 : 38,152.22 = 7,899.93 : x
  2. Step 2: Convert to fraction form
    25,439.13/38,152.22 = 7,899.93/x
  3. Step 3: Cross multiply
    25,439.13x = 38,152.22 × 7,899.93
  4. Step 4: Simplify right side
    25,439.13x = 301,399,827.84
  5. Step 5: Solve for x
    x = 301,399,827.84/25,439.13
  6. Step 6: Final answer
    x = 11,847.88

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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.