Home / 22,545.03-31,112.69-12,473.66

Finding the Fourth Proportional to 22,545.03, 31,112.69 and 12,473.66

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Solution

The fourth proportional to 22,545.03, 31,112.69 and 12,473.66 is: 17,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.03 : 31,112.69 = 12,473.66 : x
  2. Step 2: Convert to fraction form
    22,545.03/31,112.69 = 12,473.66/x
  3. Step 3: Cross multiply
    22,545.03x = 31,112.69 × 12,473.66
  4. Step 4: Simplify right side
    22,545.03x = 388,089,202.32
  5. Step 5: Solve for x
    x = 388,089,202.32/22,545.03
  6. Step 6: Final answer
    x = 17,213.96

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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.