Home / 13,152.03-19,731.02-4,387.29

Finding the Fourth Proportional to 13,152.03, 19,731.02 and 4,387.29

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Solution

The fourth proportional to 13,152.03, 19,731.02 and 4,387.29 is: 6,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.03 : 19,731.02 = 4,387.29 : x
  2. Step 2: Convert to fraction form
    13,152.03/19,731.02 = 4,387.29/x
  3. Step 3: Cross multiply
    13,152.03x = 19,731.02 × 4,387.29
  4. Step 4: Simplify right side
    13,152.03x = 86,565,684.80
  5. Step 5: Solve for x
    x = 86,565,684.80/13,152.03
  6. Step 6: Final answer
    x = 6,581.93

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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.