Home / 21,722.92-32,586.28-6,140.55

Finding the Fourth Proportional to 21,722.92, 32,586.28 and 6,140.55

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Solution

The fourth proportional to 21,722.92, 32,586.28 and 6,140.55 is: 9,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.92 : 32,586.28 = 6,140.55 : x
  2. Step 2: Convert to fraction form
    21,722.92/32,586.28 = 6,140.55/x
  3. Step 3: Cross multiply
    21,722.92x = 32,586.28 × 6,140.55
  4. Step 4: Simplify right side
    21,722.92x = 200,097,681.65
  5. Step 5: Solve for x
    x = 200,097,681.65/21,722.92
  6. Step 6: Final answer
    x = 9,211.36

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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.