Home / 21,503.24-32,248.72-8,352.80

Finding the Fourth Proportional to 21,503.24, 32,248.72 and 8,352.80

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Solution

The fourth proportional to 21,503.24, 32,248.72 and 8,352.80 is: 12,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.24 : 32,248.72 = 8,352.80 : x
  2. Step 2: Convert to fraction form
    21,503.24/32,248.72 = 8,352.80/x
  3. Step 3: Cross multiply
    21,503.24x = 32,248.72 × 8,352.80
  4. Step 4: Simplify right side
    21,503.24x = 269,367,108.42
  5. Step 5: Solve for x
    x = 269,367,108.42/21,503.24
  6. Step 6: Final answer
    x = 12,526.81

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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.