Home / 23,081.90-31,849.00-13,647.02

Finding the Fourth Proportional to 23,081.90, 31,849.00 and 13,647.02

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Solution

The fourth proportional to 23,081.90, 31,849.00 and 13,647.02 is: 18,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.90 : 31,849.00 = 13,647.02 : x
  2. Step 2: Convert to fraction form
    23,081.90/31,849.00 = 13,647.02/x
  3. Step 3: Cross multiply
    23,081.90x = 31,849.00 × 13,647.02
  4. Step 4: Simplify right side
    23,081.90x = 434,643,746.62
  5. Step 5: Solve for x
    x = 434,643,746.62/23,081.90
  6. Step 6: Final answer
    x = 18,830.51

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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.