Home / 19,672.38-29,508.12-4,881.06

Finding the Fourth Proportional to 19,672.38, 29,508.12 and 4,881.06

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Solution

The fourth proportional to 19,672.38, 29,508.12 and 4,881.06 is: 7,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.38 : 29,508.12 = 4,881.06 : x
  2. Step 2: Convert to fraction form
    19,672.38/29,508.12 = 4,881.06/x
  3. Step 3: Cross multiply
    19,672.38x = 29,508.12 × 4,881.06
  4. Step 4: Simplify right side
    19,672.38x = 144,030,904.21
  5. Step 5: Solve for x
    x = 144,030,904.21/19,672.38
  6. Step 6: Final answer
    x = 7,321.48

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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.