Home / 25,555.38-38,320.11-11,692.50

Finding the Fourth Proportional to 25,555.38, 38,320.11 and 11,692.50

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Solution

The fourth proportional to 25,555.38, 38,320.11 and 11,692.50 is: 17,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.38 : 38,320.11 = 11,692.50 : x
  2. Step 2: Convert to fraction form
    25,555.38/38,320.11 = 11,692.50/x
  3. Step 3: Cross multiply
    25,555.38x = 38,320.11 × 11,692.50
  4. Step 4: Simplify right side
    25,555.38x = 448,057,886.18
  5. Step 5: Solve for x
    x = 448,057,886.18/25,555.38
  6. Step 6: Final answer
    x = 17,532.82

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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.