Home / 15,781.02-23,675.65-5,920.49

Finding the Fourth Proportional to 15,781.02, 23,675.65 and 5,920.49

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Solution

The fourth proportional to 15,781.02, 23,675.65 and 5,920.49 is: 8,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.02 : 23,675.65 = 5,920.49 : x
  2. Step 2: Convert to fraction form
    15,781.02/23,675.65 = 5,920.49/x
  3. Step 3: Cross multiply
    15,781.02x = 23,675.65 × 5,920.49
  4. Step 4: Simplify right side
    15,781.02x = 140,171,449.07
  5. Step 5: Solve for x
    x = 140,171,449.07/15,781.02
  6. Step 6: Final answer
    x = 8,882.28

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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.