Home / 15,113.20-22,664.40-5,252.80

Finding the Fourth Proportional to 15,113.20, 22,664.40 and 5,252.80

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Solution

The fourth proportional to 15,113.20, 22,664.40 and 5,252.80 is: 7,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.20 : 22,664.40 = 5,252.80 : x
  2. Step 2: Convert to fraction form
    15,113.20/22,664.40 = 5,252.80/x
  3. Step 3: Cross multiply
    15,113.20x = 22,664.40 × 5,252.80
  4. Step 4: Simplify right side
    15,113.20x = 119,051,560.32
  5. Step 5: Solve for x
    x = 119,051,560.32/15,113.20
  6. Step 6: Final answer
    x = 7,877.32

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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.