Home / 22,386.88-30,893.52-12,696.76

Finding the Fourth Proportional to 22,386.88, 30,893.52 and 12,696.76

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Solution

The fourth proportional to 22,386.88, 30,893.52 and 12,696.76 is: 17,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.88 : 30,893.52 = 12,696.76 : x
  2. Step 2: Convert to fraction form
    22,386.88/30,893.52 = 12,696.76/x
  3. Step 3: Cross multiply
    22,386.88x = 30,893.52 × 12,696.76
  4. Step 4: Simplify right side
    22,386.88x = 392,247,609.00
  5. Step 5: Solve for x
    x = 392,247,609.00/22,386.88
  6. Step 6: Final answer
    x = 17,521.32

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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.