Home / 36,178.24-54,258.86-9,876.72

Finding the Fourth Proportional to 36,178.24, 54,258.86 and 9,876.72

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Solution

The fourth proportional to 36,178.24, 54,258.86 and 9,876.72 is: 14,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.24 : 54,258.86 = 9,876.72 : x
  2. Step 2: Convert to fraction form
    36,178.24/54,258.86 = 9,876.72/x
  3. Step 3: Cross multiply
    36,178.24x = 54,258.86 × 9,876.72
  4. Step 4: Simplify right side
    36,178.24x = 535,899,567.74
  5. Step 5: Solve for x
    x = 535,899,567.74/36,178.24
  6. Step 6: Final answer
    x = 14,812.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.