Home / 15,146.68-22,723.10-6,381.60

Finding the Fourth Proportional to 15,146.68, 22,723.10 and 6,381.60

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Solution

The fourth proportional to 15,146.68, 22,723.10 and 6,381.60 is: 9,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.68 : 22,723.10 = 6,381.60 : x
  2. Step 2: Convert to fraction form
    15,146.68/22,723.10 = 6,381.60/x
  3. Step 3: Cross multiply
    15,146.68x = 22,723.10 × 6,381.60
  4. Step 4: Simplify right side
    15,146.68x = 145,009,687.19
  5. Step 5: Solve for x
    x = 145,009,687.19/15,146.68
  6. Step 6: Final answer
    x = 9,573.69

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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.