Home / 35,515.62-53,272.14-12,141.42

Finding the Fourth Proportional to 35,515.62, 53,272.14 and 12,141.42

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Solution

The fourth proportional to 35,515.62, 53,272.14 and 12,141.42 is: 18,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.62 : 53,272.14 = 12,141.42 : x
  2. Step 2: Convert to fraction form
    35,515.62/53,272.14 = 12,141.42/x
  3. Step 3: Cross multiply
    35,515.62x = 53,272.14 × 12,141.42
  4. Step 4: Simplify right side
    35,515.62x = 646,799,426.04
  5. Step 5: Solve for x
    x = 646,799,426.04/35,515.62
  6. Step 6: Final answer
    x = 18,211.69

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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.