Home / 13,351.65-18,440.42-9,095.33

Finding the Fourth Proportional to 13,351.65, 18,440.42 and 9,095.33

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Solution

The fourth proportional to 13,351.65, 18,440.42 and 9,095.33 is: 12,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.65 : 18,440.42 = 9,095.33 : x
  2. Step 2: Convert to fraction form
    13,351.65/18,440.42 = 9,095.33/x
  3. Step 3: Cross multiply
    13,351.65x = 18,440.42 × 9,095.33
  4. Step 4: Simplify right side
    13,351.65x = 167,721,705.86
  5. Step 5: Solve for x
    x = 167,721,705.86/13,351.65
  6. Step 6: Final answer
    x = 12,561.87

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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.