Home / 15,601.50-21,529.67-9,228.42

Finding the Fourth Proportional to 15,601.50, 21,529.67 and 9,228.42

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Solution

The fourth proportional to 15,601.50, 21,529.67 and 9,228.42 is: 12,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.50 : 21,529.67 = 9,228.42 : x
  2. Step 2: Convert to fraction form
    15,601.50/21,529.67 = 9,228.42/x
  3. Step 3: Cross multiply
    15,601.50x = 21,529.67 × 9,228.42
  4. Step 4: Simplify right side
    15,601.50x = 198,684,791.08
  5. Step 5: Solve for x
    x = 198,684,791.08/15,601.50
  6. Step 6: Final answer
    x = 12,734.98

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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.