Home / 22,785.03-31,442.58-13,353.39

Finding the Fourth Proportional to 22,785.03, 31,442.58 and 13,353.39

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Solution

The fourth proportional to 22,785.03, 31,442.58 and 13,353.39 is: 18,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.03 : 31,442.58 = 13,353.39 : x
  2. Step 2: Convert to fraction form
    22,785.03/31,442.58 = 13,353.39/x
  3. Step 3: Cross multiply
    22,785.03x = 31,442.58 × 13,353.39
  4. Step 4: Simplify right side
    22,785.03x = 419,865,033.35
  5. Step 5: Solve for x
    x = 419,865,033.35/22,785.03
  6. Step 6: Final answer
    x = 18,427.23

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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.