Home / 13,076.46-19,614.68-5,290.74

Finding the Fourth Proportional to 13,076.46, 19,614.68 and 5,290.74

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Solution

The fourth proportional to 13,076.46, 19,614.68 and 5,290.74 is: 7,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.46 : 19,614.68 = 5,290.74 : x
  2. Step 2: Convert to fraction form
    13,076.46/19,614.68 = 5,290.74/x
  3. Step 3: Cross multiply
    13,076.46x = 19,614.68 × 5,290.74
  4. Step 4: Simplify right side
    13,076.46x = 103,776,145.61
  5. Step 5: Solve for x
    x = 103,776,145.61/13,076.46
  6. Step 6: Final answer
    x = 7,936.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.