Home / 22,063.36-30,442.96-13,107.64

Finding the Fourth Proportional to 22,063.36, 30,442.96 and 13,107.64

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Solution

The fourth proportional to 22,063.36, 30,442.96 and 13,107.64 is: 18,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.36 : 30,442.96 = 13,107.64 : x
  2. Step 2: Convert to fraction form
    22,063.36/30,442.96 = 13,107.64/x
  3. Step 3: Cross multiply
    22,063.36x = 30,442.96 × 13,107.64
  4. Step 4: Simplify right side
    22,063.36x = 399,035,360.21
  5. Step 5: Solve for x
    x = 399,035,360.21/22,063.36
  6. Step 6: Final answer
    x = 18,085.88

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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.