Home / 18,949.28-26,151.86-14,160.91

Finding the Fourth Proportional to 18,949.28, 26,151.86 and 14,160.91

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Solution

The fourth proportional to 18,949.28, 26,151.86 and 14,160.91 is: 19,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.28 : 26,151.86 = 14,160.91 : x
  2. Step 2: Convert to fraction form
    18,949.28/26,151.86 = 14,160.91/x
  3. Step 3: Cross multiply
    18,949.28x = 26,151.86 × 14,160.91
  4. Step 4: Simplify right side
    18,949.28x = 370,333,999.61
  5. Step 5: Solve for x
    x = 370,333,999.61/18,949.28
  6. Step 6: Final answer
    x = 19,543.43

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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.