Home / 15,465.46-21,335.25-9,175.54

Finding the Fourth Proportional to 15,465.46, 21,335.25 and 9,175.54

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Solution

The fourth proportional to 15,465.46, 21,335.25 and 9,175.54 is: 12,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.46 : 21,335.25 = 9,175.54 : x
  2. Step 2: Convert to fraction form
    15,465.46/21,335.25 = 9,175.54/x
  3. Step 3: Cross multiply
    15,465.46x = 21,335.25 × 9,175.54
  4. Step 4: Simplify right side
    15,465.46x = 195,762,439.79
  5. Step 5: Solve for x
    x = 195,762,439.79/15,465.46
  6. Step 6: Final answer
    x = 12,658.04

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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.