Home / 36,319.71-54,480.79-9,665.72

Finding the Fourth Proportional to 36,319.71, 54,480.79 and 9,665.72

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Solution

The fourth proportional to 36,319.71, 54,480.79 and 9,665.72 is: 14,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,319.71 : 54,480.79 = 9,665.72 : x
  2. Step 2: Convert to fraction form
    36,319.71/54,480.79 = 9,665.72/x
  3. Step 3: Cross multiply
    36,319.71x = 54,480.79 × 9,665.72
  4. Step 4: Simplify right side
    36,319.71x = 526,596,061.52
  5. Step 5: Solve for x
    x = 526,596,061.52/36,319.71
  6. Step 6: Final answer
    x = 14,498.91

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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.