Home / 23,346.78-34,970.49-18,885.30

Finding the Fourth Proportional to 23,346.78, 34,970.49 and 18,885.30

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Solution

The fourth proportional to 23,346.78, 34,970.49 and 18,885.30 is: 28,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,346.78 : 34,970.49 = 18,885.30 : x
  2. Step 2: Convert to fraction form
    23,346.78/34,970.49 = 18,885.30/x
  3. Step 3: Cross multiply
    23,346.78x = 34,970.49 × 18,885.30
  4. Step 4: Simplify right side
    23,346.78x = 660,428,194.80
  5. Step 5: Solve for x
    x = 660,428,194.80/23,346.78
  6. Step 6: Final answer
    x = 28,287.76

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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.