Home / 21,657.34-32,444.25-14,239.54

Finding the Fourth Proportional to 21,657.34, 32,444.25 and 14,239.54

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Solution

The fourth proportional to 21,657.34, 32,444.25 and 14,239.54 is: 21,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.34 : 32,444.25 = 14,239.54 : x
  2. Step 2: Convert to fraction form
    21,657.34/32,444.25 = 14,239.54/x
  3. Step 3: Cross multiply
    21,657.34x = 32,444.25 × 14,239.54
  4. Step 4: Simplify right side
    21,657.34x = 461,991,195.65
  5. Step 5: Solve for x
    x = 461,991,195.65/21,657.34
  6. Step 6: Final answer
    x = 21,331.85

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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.