Home / 22,042.58-30,434.60-13,556.12

Finding the Fourth Proportional to 22,042.58, 30,434.60 and 13,556.12

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Solution

The fourth proportional to 22,042.58, 30,434.60 and 13,556.12 is: 18,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.58 : 30,434.60 = 13,556.12 : x
  2. Step 2: Convert to fraction form
    22,042.58/30,434.60 = 13,556.12/x
  3. Step 3: Cross multiply
    22,042.58x = 30,434.60 × 13,556.12
  4. Step 4: Simplify right side
    22,042.58x = 412,574,971.47
  5. Step 5: Solve for x
    x = 412,574,971.47/22,042.58
  6. Step 6: Final answer
    x = 18,717.19

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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.