Home / 14,888.14-20,545.55-8,173.88

Finding the Fourth Proportional to 14,888.14, 20,545.55 and 8,173.88

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Solution

The fourth proportional to 14,888.14, 20,545.55 and 8,173.88 is: 11,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.14 : 20,545.55 = 8,173.88 : x
  2. Step 2: Convert to fraction form
    14,888.14/20,545.55 = 8,173.88/x
  3. Step 3: Cross multiply
    14,888.14x = 20,545.55 × 8,173.88
  4. Step 4: Simplify right side
    14,888.14x = 167,936,860.23
  5. Step 5: Solve for x
    x = 167,936,860.23/14,888.14
  6. Step 6: Final answer
    x = 11,279.91

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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.