Home / 16,671.54-23,006.56-9,117.79

Finding the Fourth Proportional to 16,671.54, 23,006.56 and 9,117.79

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Solution

The fourth proportional to 16,671.54, 23,006.56 and 9,117.79 is: 12,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.54 : 23,006.56 = 9,117.79 : x
  2. Step 2: Convert to fraction form
    16,671.54/23,006.56 = 9,117.79/x
  3. Step 3: Cross multiply
    16,671.54x = 23,006.56 × 9,117.79
  4. Step 4: Simplify right side
    16,671.54x = 209,768,982.70
  5. Step 5: Solve for x
    x = 209,768,982.70/16,671.54
  6. Step 6: Final answer
    x = 12,582.46

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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.