Home / 16,206.80-22,370.91-9,494.57

Finding the Fourth Proportional to 16,206.80, 22,370.91 and 9,494.57

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Solution

The fourth proportional to 16,206.80, 22,370.91 and 9,494.57 is: 13,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,206.80 : 22,370.91 = 9,494.57 : x
  2. Step 2: Convert to fraction form
    16,206.80/22,370.91 = 9,494.57/x
  3. Step 3: Cross multiply
    16,206.80x = 22,370.91 × 9,494.57
  4. Step 4: Simplify right side
    16,206.80x = 212,402,059.10
  5. Step 5: Solve for x
    x = 212,402,059.10/16,206.80
  6. Step 6: Final answer
    x = 13,105.74

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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.