Home / 17,666.27-24,343.52-16,420.59

Finding the Fourth Proportional to 17,666.27, 24,343.52 and 16,420.59

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Solution

The fourth proportional to 17,666.27, 24,343.52 and 16,420.59 is: 22,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.27 : 24,343.52 = 16,420.59 : x
  2. Step 2: Convert to fraction form
    17,666.27/24,343.52 = 16,420.59/x
  3. Step 3: Cross multiply
    17,666.27x = 24,343.52 × 16,420.59
  4. Step 4: Simplify right side
    17,666.27x = 399,734,961.08
  5. Step 5: Solve for x
    x = 399,734,961.08/17,666.27
  6. Step 6: Final answer
    x = 22,627.02

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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.