Home / 16,525.86-22,805.70-8,972.19

Finding the Fourth Proportional to 16,525.86, 22,805.70 and 8,972.19

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Solution

The fourth proportional to 16,525.86, 22,805.70 and 8,972.19 is: 12,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,525.86 : 22,805.70 = 8,972.19 : x
  2. Step 2: Convert to fraction form
    16,525.86/22,805.70 = 8,972.19/x
  3. Step 3: Cross multiply
    16,525.86x = 22,805.70 × 8,972.19
  4. Step 4: Simplify right side
    16,525.86x = 204,617,073.48
  5. Step 5: Solve for x
    x = 204,617,073.48/16,525.86
  6. Step 6: Final answer
    x = 12,381.63

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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.