Home / 15,658.20-21,596.22-9,363.96

Finding the Fourth Proportional to 15,658.20, 21,596.22 and 9,363.96

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Solution

The fourth proportional to 15,658.20, 21,596.22 and 9,363.96 is: 12,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.20 : 21,596.22 = 9,363.96 : x
  2. Step 2: Convert to fraction form
    15,658.20/21,596.22 = 9,363.96/x
  3. Step 3: Cross multiply
    15,658.20x = 21,596.22 × 9,363.96
  4. Step 4: Simplify right side
    15,658.20x = 202,226,140.23
  5. Step 5: Solve for x
    x = 202,226,140.23/15,658.20
  6. Step 6: Final answer
    x = 12,915.03

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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.