Home / 14,864.72-20,512.76-8,150.16

Finding the Fourth Proportional to 14,864.72, 20,512.76 and 8,150.16

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Solution

The fourth proportional to 14,864.72, 20,512.76 and 8,150.16 is: 11,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.72 : 20,512.76 = 8,150.16 : x
  2. Step 2: Convert to fraction form
    14,864.72/20,512.76 = 8,150.16/x
  3. Step 3: Cross multiply
    14,864.72x = 20,512.76 × 8,150.16
  4. Step 4: Simplify right side
    14,864.72x = 167,182,276.04
  5. Step 5: Solve for x
    x = 167,182,276.04/14,864.72
  6. Step 6: Final answer
    x = 11,246.92

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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.