Home / 26,308.71-36,305.10-15,692.85

Finding the Fourth Proportional to 26,308.71, 36,305.10 and 15,692.85

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Solution

The fourth proportional to 26,308.71, 36,305.10 and 15,692.85 is: 21,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,308.71 : 36,305.10 = 15,692.85 : x
  2. Step 2: Convert to fraction form
    26,308.71/36,305.10 = 15,692.85/x
  3. Step 3: Cross multiply
    26,308.71x = 36,305.10 × 15,692.85
  4. Step 4: Simplify right side
    26,308.71x = 569,730,488.54
  5. Step 5: Solve for x
    x = 569,730,488.54/26,308.71
  6. Step 6: Final answer
    x = 21,655.58

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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.