Home / 26,580.72-36,681.76-15,251.12

Finding the Fourth Proportional to 26,580.72, 36,681.76 and 15,251.12

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Solution

The fourth proportional to 26,580.72, 36,681.76 and 15,251.12 is: 21,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.72 : 36,681.76 = 15,251.12 : x
  2. Step 2: Convert to fraction form
    26,580.72/36,681.76 = 15,251.12/x
  3. Step 3: Cross multiply
    26,580.72x = 36,681.76 × 15,251.12
  4. Step 4: Simplify right side
    26,580.72x = 559,437,923.57
  5. Step 5: Solve for x
    x = 559,437,923.57/26,580.72
  6. Step 6: Final answer
    x = 21,046.76

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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.