Home / 15,692.76-23,545.20-6,921.48

Finding the Fourth Proportional to 15,692.76, 23,545.20 and 6,921.48

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Solution

The fourth proportional to 15,692.76, 23,545.20 and 6,921.48 is: 10,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692.76 : 23,545.20 = 6,921.48 : x
  2. Step 2: Convert to fraction form
    15,692.76/23,545.20 = 6,921.48/x
  3. Step 3: Cross multiply
    15,692.76x = 23,545.20 × 6,921.48
  4. Step 4: Simplify right side
    15,692.76x = 162,967,630.90
  5. Step 5: Solve for x
    x = 162,967,630.90/15,692.76
  6. Step 6: Final answer
    x = 10,384.89

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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.