Home / 23,077.20-31,838.76-14,119.68

Finding the Fourth Proportional to 23,077.20, 31,838.76 and 14,119.68

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Solution

The fourth proportional to 23,077.20, 31,838.76 and 14,119.68 is: 19,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,077.20 : 31,838.76 = 14,119.68 : x
  2. Step 2: Convert to fraction form
    23,077.20/31,838.76 = 14,119.68/x
  3. Step 3: Cross multiply
    23,077.20x = 31,838.76 × 14,119.68
  4. Step 4: Simplify right side
    23,077.20x = 449,553,102.80
  5. Step 5: Solve for x
    x = 449,553,102.80/23,077.20
  6. Step 6: Final answer
    x = 19,480.40

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Half scale
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Double scale
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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.