Home / 15,468.75-21,344.40-8,752.23

Finding the Fourth Proportional to 15,468.75, 21,344.40 and 8,752.23

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Solution

The fourth proportional to 15,468.75, 21,344.40 and 8,752.23 is: 12,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.75 : 21,344.40 = 8,752.23 : x
  2. Step 2: Convert to fraction form
    15,468.75/21,344.40 = 8,752.23/x
  3. Step 3: Cross multiply
    15,468.75x = 21,344.40 × 8,752.23
  4. Step 4: Simplify right side
    15,468.75x = 186,811,098.01
  5. Step 5: Solve for x
    x = 186,811,098.01/15,468.75
  6. Step 6: Final answer
    x = 12,076.68

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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.