Home / 15,135.50-22,703.26-4,191.50

Finding the Fourth Proportional to 15,135.50, 22,703.26 and 4,191.50

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Solution

The fourth proportional to 15,135.50, 22,703.26 and 4,191.50 is: 6,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.50 : 22,703.26 = 4,191.50 : x
  2. Step 2: Convert to fraction form
    15,135.50/22,703.26 = 4,191.50/x
  3. Step 3: Cross multiply
    15,135.50x = 22,703.26 × 4,191.50
  4. Step 4: Simplify right side
    15,135.50x = 95,160,714.29
  5. Step 5: Solve for x
    x = 95,160,714.29/15,135.50
  6. Step 6: Final answer
    x = 6,287.25

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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.