Home / 21,524.06-29,700.44-12,565.08

Finding the Fourth Proportional to 21,524.06, 29,700.44 and 12,565.08

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Solution

The fourth proportional to 21,524.06, 29,700.44 and 12,565.08 is: 17,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.06 : 29,700.44 = 12,565.08 : x
  2. Step 2: Convert to fraction form
    21,524.06/29,700.44 = 12,565.08/x
  3. Step 3: Cross multiply
    21,524.06x = 29,700.44 × 12,565.08
  4. Step 4: Simplify right side
    21,524.06x = 373,188,404.64
  5. Step 5: Solve for x
    x = 373,188,404.64/21,524.06
  6. Step 6: Final answer
    x = 17,338.20

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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.