Home / 18,484.08-25,540.56-16,122.12

Finding the Fourth Proportional to 18,484.08, 25,540.56 and 16,122.12

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Solution

The fourth proportional to 18,484.08, 25,540.56 and 16,122.12 is: 22,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.08 : 25,540.56 = 16,122.12 : x
  2. Step 2: Convert to fraction form
    18,484.08/25,540.56 = 16,122.12/x
  3. Step 3: Cross multiply
    18,484.08x = 25,540.56 × 16,122.12
  4. Step 4: Simplify right side
    18,484.08x = 411,767,973.19
  5. Step 5: Solve for x
    x = 411,767,973.19/18,484.08
  6. Step 6: Final answer
    x = 22,276.90

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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.