Home / 12,343.07-18,522.81-11,522.95

Finding the Fourth Proportional to 12,343.07, 18,522.81 and 11,522.95

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Solution

The fourth proportional to 12,343.07, 18,522.81 and 11,522.95 is: 17,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.07 : 18,522.81 = 11,522.95 : x
  2. Step 2: Convert to fraction form
    12,343.07/18,522.81 = 11,522.95/x
  3. Step 3: Cross multiply
    12,343.07x = 18,522.81 × 11,522.95
  4. Step 4: Simplify right side
    12,343.07x = 213,437,367.18
  5. Step 5: Solve for x
    x = 213,437,367.18/12,343.07
  6. Step 6: Final answer
    x = 17,292.08

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1.5x scale

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.