Home / 21,523.92-29,697.76-12,566.24

Finding the Fourth Proportional to 21,523.92, 29,697.76 and 12,566.24

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Solution

The fourth proportional to 21,523.92, 29,697.76 and 12,566.24 is: 17,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.92 : 29,697.76 = 12,566.24 : x
  2. Step 2: Convert to fraction form
    21,523.92/29,697.76 = 12,566.24/x
  3. Step 3: Cross multiply
    21,523.92x = 29,697.76 × 12,566.24
  4. Step 4: Simplify right side
    21,523.92x = 373,189,179.62
  5. Step 5: Solve for x
    x = 373,189,179.62/21,523.92
  6. Step 6: Final answer
    x = 17,338.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.