Home / 26,166.38-36,113.08-15,561.86

Finding the Fourth Proportional to 26,166.38, 36,113.08 and 15,561.86

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Solution

The fourth proportional to 26,166.38, 36,113.08 and 15,561.86 is: 21,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.38 : 36,113.08 = 15,561.86 : x
  2. Step 2: Convert to fraction form
    26,166.38/36,113.08 = 15,561.86/x
  3. Step 3: Cross multiply
    26,166.38x = 36,113.08 × 15,561.86
  4. Step 4: Simplify right side
    26,166.38x = 561,986,695.13
  5. Step 5: Solve for x
    x = 561,986,695.13/26,166.38
  6. Step 6: Final answer
    x = 21,477.43

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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.