Home / 14,637.13-20,199.10-7,922.61

Finding the Fourth Proportional to 14,637.13, 20,199.10 and 7,922.61

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Solution

The fourth proportional to 14,637.13, 20,199.10 and 7,922.61 is: 10,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.13 : 20,199.10 = 7,922.61 : x
  2. Step 2: Convert to fraction form
    14,637.13/20,199.10 = 7,922.61/x
  3. Step 3: Cross multiply
    14,637.13x = 20,199.10 × 7,922.61
  4. Step 4: Simplify right side
    14,637.13x = 160,029,591.65
  5. Step 5: Solve for x
    x = 160,029,591.65/14,637.13
  6. Step 6: Final answer
    x = 10,933.13

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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.