Home / 22,599.50-31,187.31-13,168.07

Finding the Fourth Proportional to 22,599.50, 31,187.31 and 13,168.07

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Solution

The fourth proportional to 22,599.50, 31,187.31 and 13,168.07 is: 18,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.50 : 31,187.31 = 13,168.07 : x
  2. Step 2: Convert to fraction form
    22,599.50/31,187.31 = 13,168.07/x
  3. Step 3: Cross multiply
    22,599.50x = 31,187.31 × 13,168.07
  4. Step 4: Simplify right side
    22,599.50x = 410,676,525.26
  5. Step 5: Solve for x
    x = 410,676,525.26/22,599.50
  6. Step 6: Final answer
    x = 18,171.93

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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.