Home / 15,857.04-23,785.56-5,325.06

Finding the Fourth Proportional to 15,857.04, 23,785.56 and 5,325.06

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Solution

The fourth proportional to 15,857.04, 23,785.56 and 5,325.06 is: 7,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.04 : 23,785.56 = 5,325.06 : x
  2. Step 2: Convert to fraction form
    15,857.04/23,785.56 = 5,325.06/x
  3. Step 3: Cross multiply
    15,857.04x = 23,785.56 × 5,325.06
  4. Step 4: Simplify right side
    15,857.04x = 126,659,534.13
  5. Step 5: Solve for x
    x = 126,659,534.13/15,857.04
  6. Step 6: Final answer
    x = 7,987.59

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Similar ratio
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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.