Home / 16,986.51-23,440.92-9,432.62

Finding the Fourth Proportional to 16,986.51, 23,440.92 and 9,432.62

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Solution

The fourth proportional to 16,986.51, 23,440.92 and 9,432.62 is: 13,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.51 : 23,440.92 = 9,432.62 : x
  2. Step 2: Convert to fraction form
    16,986.51/23,440.92 = 9,432.62/x
  3. Step 3: Cross multiply
    16,986.51x = 23,440.92 × 9,432.62
  4. Step 4: Simplify right side
    16,986.51x = 221,109,173.61
  5. Step 5: Solve for x
    x = 221,109,173.61/16,986.51
  6. Step 6: Final answer
    x = 13,016.75

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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.