Home / 22,462.65-30,998.66-12,391.45

Finding the Fourth Proportional to 22,462.65, 30,998.66 and 12,391.45

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Solution

The fourth proportional to 22,462.65, 30,998.66 and 12,391.45 is: 17,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.65 : 30,998.66 = 12,391.45 : x
  2. Step 2: Convert to fraction form
    22,462.65/30,998.66 = 12,391.45/x
  3. Step 3: Cross multiply
    22,462.65x = 30,998.66 × 12,391.45
  4. Step 4: Simplify right side
    22,462.65x = 384,118,206.00
  5. Step 5: Solve for x
    x = 384,118,206.00/22,462.65
  6. Step 6: Final answer
    x = 17,100.31

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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.