Home / 14,085.20-19,474.68-12,335.60

Finding the Fourth Proportional to 14,085.20, 19,474.68 and 12,335.60

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Solution

The fourth proportional to 14,085.20, 19,474.68 and 12,335.60 is: 17,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.20 : 19,474.68 = 12,335.60 : x
  2. Step 2: Convert to fraction form
    14,085.20/19,474.68 = 12,335.60/x
  3. Step 3: Cross multiply
    14,085.20x = 19,474.68 × 12,335.60
  4. Step 4: Simplify right side
    14,085.20x = 240,231,862.61
  5. Step 5: Solve for x
    x = 240,231,862.61/14,085.20
  6. Step 6: Final answer
    x = 17,055.62

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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.