Home / 23,320.40-34,988.70-10,182.20

Finding the Fourth Proportional to 23,320.40, 34,988.70 and 10,182.20

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Solution

The fourth proportional to 23,320.40, 34,988.70 and 10,182.20 is: 15,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,320.40 : 34,988.70 = 10,182.20 : x
  2. Step 2: Convert to fraction form
    23,320.40/34,988.70 = 10,182.20/x
  3. Step 3: Cross multiply
    23,320.40x = 34,988.70 × 10,182.20
  4. Step 4: Simplify right side
    23,320.40x = 356,261,941.14
  5. Step 5: Solve for x
    x = 356,261,941.14/23,320.40
  6. Step 6: Final answer
    x = 15,276.84

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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.