Home / 23,750.42-32,776.55-13,139.87

Finding the Fourth Proportional to 23,750.42, 32,776.55 and 13,139.87

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Solution

The fourth proportional to 23,750.42, 32,776.55 and 13,139.87 is: 18,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.42 : 32,776.55 = 13,139.87 : x
  2. Step 2: Convert to fraction form
    23,750.42/32,776.55 = 13,139.87/x
  3. Step 3: Cross multiply
    23,750.42x = 32,776.55 × 13,139.87
  4. Step 4: Simplify right side
    23,750.42x = 430,679,376.47
  5. Step 5: Solve for x
    x = 430,679,376.47/23,750.42
  6. Step 6: Final answer
    x = 18,133.55

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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.