Home / 15,687.02-23,534.13-5,157.93

Finding the Fourth Proportional to 15,687.02, 23,534.13 and 5,157.93

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Solution

The fourth proportional to 15,687.02, 23,534.13 and 5,157.93 is: 7,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.02 : 23,534.13 = 5,157.93 : x
  2. Step 2: Convert to fraction form
    15,687.02/23,534.13 = 5,157.93/x
  3. Step 3: Cross multiply
    15,687.02x = 23,534.13 × 5,157.93
  4. Step 4: Simplify right side
    15,687.02x = 121,387,395.15
  5. Step 5: Solve for x
    x = 121,387,395.15/15,687.02
  6. Step 6: Final answer
    x = 7,738.08

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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.