Home / 22,222.77-30,667.74-15,054.87

Finding the Fourth Proportional to 22,222.77, 30,667.74 and 15,054.87

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Solution

The fourth proportional to 22,222.77, 30,667.74 and 15,054.87 is: 20,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.77 : 30,667.74 = 15,054.87 : x
  2. Step 2: Convert to fraction form
    22,222.77/30,667.74 = 15,054.87/x
  3. Step 3: Cross multiply
    22,222.77x = 30,667.74 × 15,054.87
  4. Step 4: Simplify right side
    22,222.77x = 461,698,838.89
  5. Step 5: Solve for x
    x = 461,698,838.89/22,222.77
  6. Step 6: Final answer
    x = 20,775.94

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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.