Home / 25,692.12-38,520.90-13,196.52

Finding the Fourth Proportional to 25,692.12, 38,520.90 and 13,196.52

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Solution

The fourth proportional to 25,692.12, 38,520.90 and 13,196.52 is: 19,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.12 : 38,520.90 = 13,196.52 : x
  2. Step 2: Convert to fraction form
    25,692.12/38,520.90 = 13,196.52/x
  3. Step 3: Cross multiply
    25,692.12x = 38,520.90 × 13,196.52
  4. Step 4: Simplify right side
    25,692.12x = 508,341,827.27
  5. Step 5: Solve for x
    x = 508,341,827.27/25,692.12
  6. Step 6: Final answer
    x = 19,785.90

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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.