Home / 16,461.28-22,716.40-8,907.44

Finding the Fourth Proportional to 16,461.28, 22,716.40 and 8,907.44

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Solution

The fourth proportional to 16,461.28, 22,716.40 and 8,907.44 is: 12,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.28 : 22,716.40 = 8,907.44 : x
  2. Step 2: Convert to fraction form
    16,461.28/22,716.40 = 8,907.44/x
  3. Step 3: Cross multiply
    16,461.28x = 22,716.40 × 8,907.44
  4. Step 4: Simplify right side
    16,461.28x = 202,344,970.02
  5. Step 5: Solve for x
    x = 202,344,970.02/16,461.28
  6. Step 6: Final answer
    x = 12,292.18

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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.