Home / 16,520.32-22,798.06-8,966.65

Finding the Fourth Proportional to 16,520.32, 22,798.06 and 8,966.65

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Solution

The fourth proportional to 16,520.32, 22,798.06 and 8,966.65 is: 12,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.32 : 22,798.06 = 8,966.65 : x
  2. Step 2: Convert to fraction form
    16,520.32/22,798.06 = 8,966.65/x
  3. Step 3: Cross multiply
    16,520.32x = 22,798.06 × 8,966.65
  4. Step 4: Simplify right side
    16,520.32x = 204,422,145.29
  5. Step 5: Solve for x
    x = 204,422,145.29/16,520.32
  6. Step 6: Final answer
    x = 12,373.98

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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.