Home / 16,854.32-23,258.18-9,679.19

Finding the Fourth Proportional to 16,854.32, 23,258.18 and 9,679.19

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Solution

The fourth proportional to 16,854.32, 23,258.18 and 9,679.19 is: 13,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.32 : 23,258.18 = 9,679.19 : x
  2. Step 2: Convert to fraction form
    16,854.32/23,258.18 = 9,679.19/x
  3. Step 3: Cross multiply
    16,854.32x = 23,258.18 × 9,679.19
  4. Step 4: Simplify right side
    16,854.32x = 225,120,289.37
  5. Step 5: Solve for x
    x = 225,120,289.37/16,854.32
  6. Step 6: Final answer
    x = 13,356.83

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Half scale
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Double scale
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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.