Home / 16,986.28-23,441.67-9,432.74

Finding the Fourth Proportional to 16,986.28, 23,441.67 and 9,432.74

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Solution

The fourth proportional to 16,986.28, 23,441.67 and 9,432.74 is: 13,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.28 : 23,441.67 = 9,432.74 : x
  2. Step 2: Convert to fraction form
    16,986.28/23,441.67 = 9,432.74/x
  3. Step 3: Cross multiply
    16,986.28x = 23,441.67 × 9,432.74
  4. Step 4: Simplify right side
    16,986.28x = 221,119,178.28
  5. Step 5: Solve for x
    x = 221,119,178.28/16,986.28
  6. Step 6: Final answer
    x = 13,017.52

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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.