Home / 15,127.12-22,690.78-5,266.58

Finding the Fourth Proportional to 15,127.12, 22,690.78 and 5,266.58

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Solution

The fourth proportional to 15,127.12, 22,690.78 and 5,266.58 is: 7,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.12 : 22,690.78 = 5,266.58 : x
  2. Step 2: Convert to fraction form
    15,127.12/22,690.78 = 5,266.58/x
  3. Step 3: Cross multiply
    15,127.12x = 22,690.78 × 5,266.58
  4. Step 4: Simplify right side
    15,127.12x = 119,502,851.69
  5. Step 5: Solve for x
    x = 119,502,851.69/15,127.12
  6. Step 6: Final answer
    x = 7,899.91

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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.