Home / 16,661.40-22,993.35-9,108.23

Finding the Fourth Proportional to 16,661.40, 22,993.35 and 9,108.23

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Solution

The fourth proportional to 16,661.40, 22,993.35 and 9,108.23 is: 12,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.40 : 22,993.35 = 9,108.23 : x
  2. Step 2: Convert to fraction form
    16,661.40/22,993.35 = 9,108.23/x
  3. Step 3: Cross multiply
    16,661.40x = 22,993.35 × 9,108.23
  4. Step 4: Simplify right side
    16,661.40x = 209,428,777.75
  5. Step 5: Solve for x
    x = 209,428,777.75/16,661.40
  6. Step 6: Final answer
    x = 12,569.70

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Half scale
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Double scale
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Similar ratio
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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.