Home / 15,125.13-22,687.69-4,181.13

Finding the Fourth Proportional to 15,125.13, 22,687.69 and 4,181.13

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Solution

The fourth proportional to 15,125.13, 22,687.69 and 4,181.13 is: 6,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.13 : 22,687.69 = 4,181.13 : x
  2. Step 2: Convert to fraction form
    15,125.13/22,687.69 = 4,181.13/x
  3. Step 3: Cross multiply
    15,125.13x = 22,687.69 × 4,181.13
  4. Step 4: Simplify right side
    15,125.13x = 94,860,181.29
  5. Step 5: Solve for x
    x = 94,860,181.29/15,125.13
  6. Step 6: Final answer
    x = 6,271.69

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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.