Home / 13,926.46-19,218.28-7,552.92

Finding the Fourth Proportional to 13,926.46, 19,218.28 and 7,552.92

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Solution

The fourth proportional to 13,926.46, 19,218.28 and 7,552.92 is: 10,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.46 : 19,218.28 = 7,552.92 : x
  2. Step 2: Convert to fraction form
    13,926.46/19,218.28 = 7,552.92/x
  3. Step 3: Cross multiply
    13,926.46x = 19,218.28 × 7,552.92
  4. Step 4: Simplify right side
    13,926.46x = 145,154,131.38
  5. Step 5: Solve for x
    x = 145,154,131.38/13,926.46
  6. Step 6: Final answer
    x = 10,422.90

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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.