Home / 16,530.21-22,810.61-9,456.68

Finding the Fourth Proportional to 16,530.21, 22,810.61 and 9,456.68

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Solution

The fourth proportional to 16,530.21, 22,810.61 and 9,456.68 is: 13,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.21 : 22,810.61 = 9,456.68 : x
  2. Step 2: Convert to fraction form
    16,530.21/22,810.61 = 9,456.68/x
  3. Step 3: Cross multiply
    16,530.21x = 22,810.61 × 9,456.68
  4. Step 4: Simplify right side
    16,530.21x = 215,712,720.04
  5. Step 5: Solve for x
    x = 215,712,720.04/16,530.21
  6. Step 6: Final answer
    x = 13,049.61

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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.