Home / 18,746.52-28,100.25-8,874.06

Finding the Fourth Proportional to 18,746.52, 28,100.25 and 8,874.06

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Solution

The fourth proportional to 18,746.52, 28,100.25 and 8,874.06 is: 13,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.52 : 28,100.25 = 8,874.06 : x
  2. Step 2: Convert to fraction form
    18,746.52/28,100.25 = 8,874.06/x
  3. Step 3: Cross multiply
    18,746.52x = 28,100.25 × 8,874.06
  4. Step 4: Simplify right side
    18,746.52x = 249,363,304.52
  5. Step 5: Solve for x
    x = 249,363,304.52/18,746.52
  6. Step 6: Final answer
    x = 13,301.85

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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.