Home / 19,159.17-28,714.37-8,617.92

Finding the Fourth Proportional to 19,159.17, 28,714.37 and 8,617.92

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Solution

The fourth proportional to 19,159.17, 28,714.37 and 8,617.92 is: 12,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.17 : 28,714.37 = 8,617.92 : x
  2. Step 2: Convert to fraction form
    19,159.17/28,714.37 = 8,617.92/x
  3. Step 3: Cross multiply
    19,159.17x = 28,714.37 × 8,617.92
  4. Step 4: Simplify right side
    19,159.17x = 247,458,100.42
  5. Step 5: Solve for x
    x = 247,458,100.42/19,159.17
  6. Step 6: Final answer
    x = 12,915.91

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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.