Home / 32,813.90-45,279.09-18,471.95

Finding the Fourth Proportional to 32,813.90, 45,279.09 and 18,471.95

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Solution

The fourth proportional to 32,813.90, 45,279.09 and 18,471.95 is: 25,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813.90 : 45,279.09 = 18,471.95 : x
  2. Step 2: Convert to fraction form
    32,813.90/45,279.09 = 18,471.95/x
  3. Step 3: Cross multiply
    32,813.90x = 45,279.09 × 18,471.95
  4. Step 4: Simplify right side
    32,813.90x = 836,392,860.13
  5. Step 5: Solve for x
    x = 836,392,860.13/32,813.90
  6. Step 6: Final answer
    x = 25,488.98

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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.