Home / 17,565.76-26,387.70-16,670.80

Finding the Fourth Proportional to 17,565.76, 26,387.70 and 16,670.80

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Solution

The fourth proportional to 17,565.76, 26,387.70 and 16,670.80 is: 25,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.76 : 26,387.70 = 16,670.80 : x
  2. Step 2: Convert to fraction form
    17,565.76/26,387.70 = 16,670.80/x
  3. Step 3: Cross multiply
    17,565.76x = 26,387.70 × 16,670.80
  4. Step 4: Simplify right side
    17,565.76x = 439,904,069.16
  5. Step 5: Solve for x
    x = 439,904,069.16/17,565.76
  6. Step 6: Final answer
    x = 25,043.27

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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.