Home / 18,348.36-25,320.06-9,964.68

Finding the Fourth Proportional to 18,348.36, 25,320.06 and 9,964.68

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Solution

The fourth proportional to 18,348.36, 25,320.06 and 9,964.68 is: 13,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.36 : 25,320.06 = 9,964.68 : x
  2. Step 2: Convert to fraction form
    18,348.36/25,320.06 = 9,964.68/x
  3. Step 3: Cross multiply
    18,348.36x = 25,320.06 × 9,964.68
  4. Step 4: Simplify right side
    18,348.36x = 252,306,295.48
  5. Step 5: Solve for x
    x = 252,306,295.48/18,348.36
  6. Step 6: Final answer
    x = 13,750.89

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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.