Home / 15,128.44-22,685.48-5,266.52

Finding the Fourth Proportional to 15,128.44, 22,685.48 and 5,266.52

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Solution

The fourth proportional to 15,128.44, 22,685.48 and 5,266.52 is: 7,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.44 : 22,685.48 = 5,266.52 : x
  2. Step 2: Convert to fraction form
    15,128.44/22,685.48 = 5,266.52/x
  3. Step 3: Cross multiply
    15,128.44x = 22,685.48 × 5,266.52
  4. Step 4: Simplify right side
    15,128.44x = 119,473,534.13
  5. Step 5: Solve for x
    x = 119,473,534.13/15,128.44
  6. Step 6: Final answer
    x = 7,897.28

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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.