Home / 15,115.74-22,681.40-6,237.69

Finding the Fourth Proportional to 15,115.74, 22,681.40 and 6,237.69

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Solution

The fourth proportional to 15,115.74, 22,681.40 and 6,237.69 is: 9,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.74 : 22,681.40 = 6,237.69 : x
  2. Step 2: Convert to fraction form
    15,115.74/22,681.40 = 6,237.69/x
  3. Step 3: Cross multiply
    15,115.74x = 22,681.40 × 6,237.69
  4. Step 4: Simplify right side
    15,115.74x = 141,479,510.78
  5. Step 5: Solve for x
    x = 141,479,510.78/15,115.74
  6. Step 6: Final answer
    x = 9,359.75

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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.