Home / 15,916.68-23,875.20-4,823.28

Finding the Fourth Proportional to 15,916.68, 23,875.20 and 4,823.28

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Solution

The fourth proportional to 15,916.68, 23,875.20 and 4,823.28 is: 7,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.68 : 23,875.20 = 4,823.28 : x
  2. Step 2: Convert to fraction form
    15,916.68/23,875.20 = 4,823.28/x
  3. Step 3: Cross multiply
    15,916.68x = 23,875.20 × 4,823.28
  4. Step 4: Simplify right side
    15,916.68x = 115,156,774.66
  5. Step 5: Solve for x
    x = 115,156,774.66/15,916.68
  6. Step 6: Final answer
    x = 7,234.97

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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.