Home / 13,876.52-20,827.53-9,983.66

Finding the Fourth Proportional to 13,876.52, 20,827.53 and 9,983.66

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Solution

The fourth proportional to 13,876.52, 20,827.53 and 9,983.66 is: 14,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.52 : 20,827.53 = 9,983.66 : x
  2. Step 2: Convert to fraction form
    13,876.52/20,827.53 = 9,983.66/x
  3. Step 3: Cross multiply
    13,876.52x = 20,827.53 × 9,983.66
  4. Step 4: Simplify right side
    13,876.52x = 207,934,874.02
  5. Step 5: Solve for x
    x = 207,934,874.02/13,876.52
  6. Step 6: Final answer
    x = 14,984.66

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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.