Home / 23,178.35-31,986.14-12,568.02

Finding the Fourth Proportional to 23,178.35, 31,986.14 and 12,568.02

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Solution

The fourth proportional to 23,178.35, 31,986.14 and 12,568.02 is: 17,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.35 : 31,986.14 = 12,568.02 : x
  2. Step 2: Convert to fraction form
    23,178.35/31,986.14 = 12,568.02/x
  3. Step 3: Cross multiply
    23,178.35x = 31,986.14 × 12,568.02
  4. Step 4: Simplify right side
    23,178.35x = 402,002,384.40
  5. Step 5: Solve for x
    x = 402,002,384.40/23,178.35
  6. Step 6: Final answer
    x = 17,343.88

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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.