Home / 15,246.65-21,040.59-8,532.56

Finding the Fourth Proportional to 15,246.65, 21,040.59 and 8,532.56

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Solution

The fourth proportional to 15,246.65, 21,040.59 and 8,532.56 is: 11,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.65 : 21,040.59 = 8,532.56 : x
  2. Step 2: Convert to fraction form
    15,246.65/21,040.59 = 8,532.56/x
  3. Step 3: Cross multiply
    15,246.65x = 21,040.59 × 8,532.56
  4. Step 4: Simplify right side
    15,246.65x = 179,530,096.61
  5. Step 5: Solve for x
    x = 179,530,096.61/15,246.65
  6. Step 6: Final answer
    x = 11,775.05

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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.