Home / 16,986.12-23,441.04-9,432.60

Finding the Fourth Proportional to 16,986.12, 23,441.04 and 9,432.60

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Solution

The fourth proportional to 16,986.12, 23,441.04 and 9,432.60 is: 13,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.12 : 23,441.04 = 9,432.60 : x
  2. Step 2: Convert to fraction form
    16,986.12/23,441.04 = 9,432.60/x
  3. Step 3: Cross multiply
    16,986.12x = 23,441.04 × 9,432.60
  4. Step 4: Simplify right side
    16,986.12x = 221,109,953.90
  5. Step 5: Solve for x
    x = 221,109,953.90/16,986.12
  6. Step 6: Final answer
    x = 13,017.10

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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.