Home / 18,417.38-25,416.25-10,033.88

Finding the Fourth Proportional to 18,417.38, 25,416.25 and 10,033.88

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Solution

The fourth proportional to 18,417.38, 25,416.25 and 10,033.88 is: 13,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.38 : 25,416.25 = 10,033.88 : x
  2. Step 2: Convert to fraction form
    18,417.38/25,416.25 = 10,033.88/x
  3. Step 3: Cross multiply
    18,417.38x = 25,416.25 × 10,033.88
  4. Step 4: Simplify right side
    18,417.38x = 255,023,450.38
  5. Step 5: Solve for x
    x = 255,023,450.38/18,417.38
  6. Step 6: Final answer
    x = 13,846.89

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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.