Home / 22,206.42-30,592.74-15,479.82

Finding the Fourth Proportional to 22,206.42, 30,592.74 and 15,479.82

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Solution

The fourth proportional to 22,206.42, 30,592.74 and 15,479.82 is: 21,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.42 : 30,592.74 = 15,479.82 : x
  2. Step 2: Convert to fraction form
    22,206.42/30,592.74 = 15,479.82/x
  3. Step 3: Cross multiply
    22,206.42x = 30,592.74 × 15,479.82
  4. Step 4: Simplify right side
    22,206.42x = 473,570,108.51
  5. Step 5: Solve for x
    x = 473,570,108.51/22,206.42
  6. Step 6: Final answer
    x = 21,325.82

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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.