Home / 16,461.32-22,716.72-9,387.68

Finding the Fourth Proportional to 16,461.32, 22,716.72 and 9,387.68

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Solution

The fourth proportional to 16,461.32, 22,716.72 and 9,387.68 is: 12,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.32 : 22,716.72 = 9,387.68 : x
  2. Step 2: Convert to fraction form
    16,461.32/22,716.72 = 9,387.68/x
  3. Step 3: Cross multiply
    16,461.32x = 22,716.72 × 9,387.68
  4. Step 4: Simplify right side
    16,461.32x = 213,257,298.01
  5. Step 5: Solve for x
    x = 213,257,298.01/16,461.32
  6. Step 6: Final answer
    x = 12,955.05

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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.