Home / 23,311.68-32,159.85-15,755.25

Finding the Fourth Proportional to 23,311.68, 32,159.85 and 15,755.25

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Solution

The fourth proportional to 23,311.68, 32,159.85 and 15,755.25 is: 21,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.68 : 32,159.85 = 15,755.25 : x
  2. Step 2: Convert to fraction form
    23,311.68/32,159.85 = 15,755.25/x
  3. Step 3: Cross multiply
    23,311.68x = 32,159.85 × 15,755.25
  4. Step 4: Simplify right side
    23,311.68x = 506,686,476.71
  5. Step 5: Solve for x
    x = 506,686,476.71/23,311.68
  6. Step 6: Final answer
    x = 21,735.31

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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.