Home / 26,211.60-36,145.44-18,655.92

Finding the Fourth Proportional to 26,211.60, 36,145.44 and 18,655.92

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Solution

The fourth proportional to 26,211.60, 36,145.44 and 18,655.92 is: 25,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.60 : 36,145.44 = 18,655.92 : x
  2. Step 2: Convert to fraction form
    26,211.60/36,145.44 = 18,655.92/x
  3. Step 3: Cross multiply
    26,211.60x = 36,145.44 × 18,655.92
  4. Step 4: Simplify right side
    26,211.60x = 674,326,437.00
  5. Step 5: Solve for x
    x = 674,326,437.00/26,211.60
  6. Step 6: Final answer
    x = 25,726.26

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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.