Home / 14,690.16-20,275.11-8,725.12

Finding the Fourth Proportional to 14,690.16, 20,275.11 and 8,725.12

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Solution

The fourth proportional to 14,690.16, 20,275.11 and 8,725.12 is: 12,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.16 : 20,275.11 = 8,725.12 : x
  2. Step 2: Convert to fraction form
    14,690.16/20,275.11 = 8,725.12/x
  3. Step 3: Cross multiply
    14,690.16x = 20,275.11 × 8,725.12
  4. Step 4: Simplify right side
    14,690.16x = 176,902,717.08
  5. Step 5: Solve for x
    x = 176,902,717.08/14,690.16
  6. Step 6: Final answer
    x = 12,042.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.