Home / 15,690.12-23,538.84-5,301.88

Finding the Fourth Proportional to 15,690.12, 23,538.84 and 5,301.88

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Solution

The fourth proportional to 15,690.12, 23,538.84 and 5,301.88 is: 7,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.12 : 23,538.84 = 5,301.88 : x
  2. Step 2: Convert to fraction form
    15,690.12/23,538.84 = 5,301.88/x
  3. Step 3: Cross multiply
    15,690.12x = 23,538.84 × 5,301.88
  4. Step 4: Simplify right side
    15,690.12x = 124,800,105.02
  5. Step 5: Solve for x
    x = 124,800,105.02/15,690.12
  6. Step 6: Final answer
    x = 7,954.06

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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.