Home / 22,986.36-34,503.84-11,307.78

Finding the Fourth Proportional to 22,986.36, 34,503.84 and 11,307.78

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Solution

The fourth proportional to 22,986.36, 34,503.84 and 11,307.78 is: 16,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.36 : 34,503.84 = 11,307.78 : x
  2. Step 2: Convert to fraction form
    22,986.36/34,503.84 = 11,307.78/x
  3. Step 3: Cross multiply
    22,986.36x = 34,503.84 × 11,307.78
  4. Step 4: Simplify right side
    22,986.36x = 390,161,831.88
  5. Step 5: Solve for x
    x = 390,161,831.88/22,986.36
  6. Step 6: Final answer
    x = 16,973.62

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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.