Home / 16,278.79-22,465.35-9,204.79

Finding the Fourth Proportional to 16,278.79, 22,465.35 and 9,204.79

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Solution

The fourth proportional to 16,278.79, 22,465.35 and 9,204.79 is: 12,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.79 : 22,465.35 = 9,204.79 : x
  2. Step 2: Convert to fraction form
    16,278.79/22,465.35 = 9,204.79/x
  3. Step 3: Cross multiply
    16,278.79x = 22,465.35 × 9,204.79
  4. Step 4: Simplify right side
    16,278.79x = 206,788,829.03
  5. Step 5: Solve for x
    x = 206,788,829.03/16,278.79
  6. Step 6: Final answer
    x = 12,702.96

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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.