Home / 18,543.33-27,812.03-5,392.58

Finding the Fourth Proportional to 18,543.33, 27,812.03 and 5,392.58

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Solution

The fourth proportional to 18,543.33, 27,812.03 and 5,392.58 is: 8,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.33 : 27,812.03 = 5,392.58 : x
  2. Step 2: Convert to fraction form
    18,543.33/27,812.03 = 5,392.58/x
  3. Step 3: Cross multiply
    18,543.33x = 27,812.03 × 5,392.58
  4. Step 4: Simplify right side
    18,543.33x = 149,978,430.71
  5. Step 5: Solve for x
    x = 149,978,430.71/18,543.33
  6. Step 6: Final answer
    x = 8,088.00

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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.