Home / 16,158.40-22,299.68-9,085.30

Finding the Fourth Proportional to 16,158.40, 22,299.68 and 9,085.30

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Solution

The fourth proportional to 16,158.40, 22,299.68 and 9,085.30 is: 12,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,158.40 : 22,299.68 = 9,085.30 : x
  2. Step 2: Convert to fraction form
    16,158.40/22,299.68 = 9,085.30/x
  3. Step 3: Cross multiply
    16,158.40x = 22,299.68 × 9,085.30
  4. Step 4: Simplify right side
    16,158.40x = 202,599,282.70
  5. Step 5: Solve for x
    x = 202,599,282.70/16,158.40
  6. Step 6: Final answer
    x = 12,538.33

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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.