Home / 19,125.40-28,692.15-5,797.30

Finding the Fourth Proportional to 19,125.40, 28,692.15 and 5,797.30

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Solution

The fourth proportional to 19,125.40, 28,692.15 and 5,797.30 is: 8,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.40 : 28,692.15 = 5,797.30 : x
  2. Step 2: Convert to fraction form
    19,125.40/28,692.15 = 5,797.30/x
  3. Step 3: Cross multiply
    19,125.40x = 28,692.15 × 5,797.30
  4. Step 4: Simplify right side
    19,125.40x = 166,337,001.20
  5. Step 5: Solve for x
    x = 166,337,001.20/19,125.40
  6. Step 6: Final answer
    x = 8,697.18

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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.