Home / 15,432.12-23,156.37-6,666.30

Finding the Fourth Proportional to 15,432.12, 23,156.37 and 6,666.30

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Solution

The fourth proportional to 15,432.12, 23,156.37 and 6,666.30 is: 10,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.12 : 23,156.37 = 6,666.30 : x
  2. Step 2: Convert to fraction form
    15,432.12/23,156.37 = 6,666.30/x
  3. Step 3: Cross multiply
    15,432.12x = 23,156.37 × 6,666.30
  4. Step 4: Simplify right side
    15,432.12x = 154,367,309.33
  5. Step 5: Solve for x
    x = 154,367,309.33/15,432.12
  6. Step 6: Final answer
    x = 10,002.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.