Home / 16,979.60-23,433.33-9,427.39

Finding the Fourth Proportional to 16,979.60, 23,433.33 and 9,427.39

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Solution

The fourth proportional to 16,979.60, 23,433.33 and 9,427.39 is: 13,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.60 : 23,433.33 = 9,427.39 : x
  2. Step 2: Convert to fraction form
    16,979.60/23,433.33 = 9,427.39/x
  3. Step 3: Cross multiply
    16,979.60x = 23,433.33 × 9,427.39
  4. Step 4: Simplify right side
    16,979.60x = 220,915,038.13
  5. Step 5: Solve for x
    x = 220,915,038.13/16,979.60
  6. Step 6: Final answer
    x = 13,010.62

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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.