Home / 15,582.18-23,372.49-5,720.69

Finding the Fourth Proportional to 15,582.18, 23,372.49 and 5,720.69

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Solution

The fourth proportional to 15,582.18, 23,372.49 and 5,720.69 is: 8,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.18 : 23,372.49 = 5,720.69 : x
  2. Step 2: Convert to fraction form
    15,582.18/23,372.49 = 5,720.69/x
  3. Step 3: Cross multiply
    15,582.18x = 23,372.49 × 5,720.69
  4. Step 4: Simplify right side
    15,582.18x = 133,706,652.96
  5. Step 5: Solve for x
    x = 133,706,652.96/15,582.18
  6. Step 6: Final answer
    x = 8,580.74

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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.