Home / 26,169.64-36,114.18-15,559.72

Finding the Fourth Proportional to 26,169.64, 36,114.18 and 15,559.72

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Solution

The fourth proportional to 26,169.64, 36,114.18 and 15,559.72 is: 21,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.64 : 36,114.18 = 15,559.72 : x
  2. Step 2: Convert to fraction form
    26,169.64/36,114.18 = 15,559.72/x
  3. Step 3: Cross multiply
    26,169.64x = 36,114.18 × 15,559.72
  4. Step 4: Simplify right side
    26,169.64x = 561,926,528.83
  5. Step 5: Solve for x
    x = 561,926,528.83/26,169.64
  6. Step 6: Final answer
    x = 21,472.46

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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.