Home / 16,680.74-23,027.74-9,605.79

Finding the Fourth Proportional to 16,680.74, 23,027.74 and 9,605.79

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Solution

The fourth proportional to 16,680.74, 23,027.74 and 9,605.79 is: 13,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.74 : 23,027.74 = 9,605.79 : x
  2. Step 2: Convert to fraction form
    16,680.74/23,027.74 = 9,605.79/x
  3. Step 3: Cross multiply
    16,680.74x = 23,027.74 × 9,605.79
  4. Step 4: Simplify right side
    16,680.74x = 221,199,664.63
  5. Step 5: Solve for x
    x = 221,199,664.63/16,680.74
  6. Step 6: Final answer
    x = 13,260.79

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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.