Home / 16,979.52-23,433.12-9,426.60

Finding the Fourth Proportional to 16,979.52, 23,433.12 and 9,426.60

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Solution

The fourth proportional to 16,979.52, 23,433.12 and 9,426.60 is: 13,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.52 : 23,433.12 = 9,426.60 : x
  2. Step 2: Convert to fraction form
    16,979.52/23,433.12 = 9,426.60/x
  3. Step 3: Cross multiply
    16,979.52x = 23,433.12 × 9,426.60
  4. Step 4: Simplify right side
    16,979.52x = 220,894,648.99
  5. Step 5: Solve for x
    x = 220,894,648.99/16,979.52
  6. Step 6: Final answer
    x = 13,009.48

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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.