Home / 16,381.68-22,606.80-9,310.44

Finding the Fourth Proportional to 16,381.68, 22,606.80 and 9,310.44

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Solution

The fourth proportional to 16,381.68, 22,606.80 and 9,310.44 is: 12,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.68 : 22,606.80 = 9,310.44 : x
  2. Step 2: Convert to fraction form
    16,381.68/22,606.80 = 9,310.44/x
  3. Step 3: Cross multiply
    16,381.68x = 22,606.80 × 9,310.44
  4. Step 4: Simplify right side
    16,381.68x = 210,479,254.99
  5. Step 5: Solve for x
    x = 210,479,254.99/16,381.68
  6. Step 6: Final answer
    x = 12,848.45

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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.