Home / 15,342.12-22,995.12-8,772.84

Finding the Fourth Proportional to 15,342.12, 22,995.12 and 8,772.84

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Solution

The fourth proportional to 15,342.12, 22,995.12 and 8,772.84 is: 13,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.12 : 22,995.12 = 8,772.84 : x
  2. Step 2: Convert to fraction form
    15,342.12/22,995.12 = 8,772.84/x
  3. Step 3: Cross multiply
    15,342.12x = 22,995.12 × 8,772.84
  4. Step 4: Simplify right side
    15,342.12x = 201,732,508.54
  5. Step 5: Solve for x
    x = 201,732,508.54/15,342.12
  6. Step 6: Final answer
    x = 13,148.93

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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.