Home / 22,647.97-31,255.23-13,089.08

Finding the Fourth Proportional to 22,647.97, 31,255.23 and 13,089.08

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Solution

The fourth proportional to 22,647.97, 31,255.23 and 13,089.08 is: 18,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.97 : 31,255.23 = 13,089.08 : x
  2. Step 2: Convert to fraction form
    22,647.97/31,255.23 = 13,089.08/x
  3. Step 3: Cross multiply
    22,647.97x = 31,255.23 × 13,089.08
  4. Step 4: Simplify right side
    22,647.97x = 409,102,083.67
  5. Step 5: Solve for x
    x = 409,102,083.67/22,647.97
  6. Step 6: Final answer
    x = 18,063.52

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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.