Home / 16,691.63-23,034.44-9,622.15

Finding the Fourth Proportional to 16,691.63, 23,034.44 and 9,622.15

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Solution

The fourth proportional to 16,691.63, 23,034.44 and 9,622.15 is: 13,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.63 : 23,034.44 = 9,622.15 : x
  2. Step 2: Convert to fraction form
    16,691.63/23,034.44 = 9,622.15/x
  3. Step 3: Cross multiply
    16,691.63x = 23,034.44 × 9,622.15
  4. Step 4: Simplify right side
    16,691.63x = 221,640,803.32
  5. Step 5: Solve for x
    x = 221,640,803.32/16,691.63
  6. Step 6: Final answer
    x = 13,278.56

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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.