Home / 14,987.47-22,479.06-5,125.30

Finding the Fourth Proportional to 14,987.47, 22,479.06 and 5,125.30

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Solution

The fourth proportional to 14,987.47, 22,479.06 and 5,125.30 is: 7,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.47 : 22,479.06 = 5,125.30 : x
  2. Step 2: Convert to fraction form
    14,987.47/22,479.06 = 5,125.30/x
  3. Step 3: Cross multiply
    14,987.47x = 22,479.06 × 5,125.30
  4. Step 4: Simplify right side
    14,987.47x = 115,211,926.22
  5. Step 5: Solve for x
    x = 115,211,926.22/14,987.47
  6. Step 6: Final answer
    x = 7,687.22

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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.