Home / 22,222.89-30,667.92-15,055.00

Finding the Fourth Proportional to 22,222.89, 30,667.92 and 15,055.00

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Solution

The fourth proportional to 22,222.89, 30,667.92 and 15,055.00 is: 20,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.89 : 30,667.92 = 15,055.00 : x
  2. Step 2: Convert to fraction form
    22,222.89/30,667.92 = 15,055.00/x
  3. Step 3: Cross multiply
    22,222.89x = 30,667.92 × 15,055.00
  4. Step 4: Simplify right side
    22,222.89x = 461,705,402.47
  5. Step 5: Solve for x
    x = 461,705,402.47/22,222.89
  6. Step 6: Final answer
    x = 20,776.12

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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.