Home / 23,085.90-31,854.52-13,651.02

Finding the Fourth Proportional to 23,085.90, 31,854.52 and 13,651.02

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Solution

The fourth proportional to 23,085.90, 31,854.52 and 13,651.02 is: 18,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.90 : 31,854.52 = 13,651.02 : x
  2. Step 2: Convert to fraction form
    23,085.90/31,854.52 = 13,651.02/x
  3. Step 3: Cross multiply
    23,085.90x = 31,854.52 × 13,651.02
  4. Step 4: Simplify right side
    23,085.90x = 434,846,689.61
  5. Step 5: Solve for x
    x = 434,846,689.61/23,085.90
  6. Step 6: Final answer
    x = 18,836.03

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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.