Home / 17,910.40-24,692.16-15,111.04

Finding the Fourth Proportional to 17,910.40, 24,692.16 and 15,111.04

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Solution

The fourth proportional to 17,910.40, 24,692.16 and 15,111.04 is: 20,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.40 : 24,692.16 = 15,111.04 : x
  2. Step 2: Convert to fraction form
    17,910.40/24,692.16 = 15,111.04/x
  3. Step 3: Cross multiply
    17,910.40x = 24,692.16 × 15,111.04
  4. Step 4: Simplify right side
    17,910.40x = 373,124,217.45
  5. Step 5: Solve for x
    x = 373,124,217.45/17,910.40
  6. Step 6: Final answer
    x = 20,832.82

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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.