Home / 16,877.92-23,258.64-12,153.28

Finding the Fourth Proportional to 16,877.92, 23,258.64 and 12,153.28

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Solution

The fourth proportional to 16,877.92, 23,258.64 and 12,153.28 is: 16,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.92 : 23,258.64 = 12,153.28 : x
  2. Step 2: Convert to fraction form
    16,877.92/23,258.64 = 12,153.28/x
  3. Step 3: Cross multiply
    16,877.92x = 23,258.64 × 12,153.28
  4. Step 4: Simplify right side
    16,877.92x = 282,668,764.34
  5. Step 5: Solve for x
    x = 282,668,764.34/16,877.92
  6. Step 6: Final answer
    x = 16,747.84

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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.