Home / 15,582.30-23,372.68-5,720.80

Finding the Fourth Proportional to 15,582.30, 23,372.68 and 5,720.80

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Solution

The fourth proportional to 15,582.30, 23,372.68 and 5,720.80 is: 8,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.30 : 23,372.68 = 5,720.80 : x
  2. Step 2: Convert to fraction form
    15,582.30/23,372.68 = 5,720.80/x
  3. Step 3: Cross multiply
    15,582.30x = 23,372.68 × 5,720.80
  4. Step 4: Simplify right side
    15,582.30x = 133,710,427.74
  5. Step 5: Solve for x
    x = 133,710,427.74/15,582.30
  6. Step 6: Final answer
    x = 8,580.92

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1.5x scale

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.