Home / 15,737.20-21,705.92-10,692.60

Finding the Fourth Proportional to 15,737.20, 21,705.92 and 10,692.60

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Solution

The fourth proportional to 15,737.20, 21,705.92 and 10,692.60 is: 14,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.20 : 21,705.92 = 10,692.60 : x
  2. Step 2: Convert to fraction form
    15,737.20/21,705.92 = 10,692.60/x
  3. Step 3: Cross multiply
    15,737.20x = 21,705.92 × 10,692.60
  4. Step 4: Simplify right side
    15,737.20x = 232,092,720.19
  5. Step 5: Solve for x
    x = 232,092,720.19/15,737.20
  6. Step 6: Final answer
    x = 14,748.03

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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.