Home / 36,802.68-55,220.43-13,423.65

Finding the Fourth Proportional to 36,802.68, 55,220.43 and 13,423.65

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Solution

The fourth proportional to 36,802.68, 55,220.43 and 13,423.65 is: 20,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,802.68 : 55,220.43 = 13,423.65 : x
  2. Step 2: Convert to fraction form
    36,802.68/55,220.43 = 13,423.65/x
  3. Step 3: Cross multiply
    36,802.68x = 55,220.43 × 13,423.65
  4. Step 4: Simplify right side
    36,802.68x = 741,259,725.17
  5. Step 5: Solve for x
    x = 741,259,725.17/36,802.68
  6. Step 6: Final answer
    x = 20,141.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.