Home / 22,556.60-31,126.90-12,484.48

Finding the Fourth Proportional to 22,556.60, 31,126.90 and 12,484.48

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Solution

The fourth proportional to 22,556.60, 31,126.90 and 12,484.48 is: 17,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556.60 : 31,126.90 = 12,484.48 : x
  2. Step 2: Convert to fraction form
    22,556.60/31,126.90 = 12,484.48/x
  3. Step 3: Cross multiply
    22,556.60x = 31,126.90 × 12,484.48
  4. Step 4: Simplify right side
    22,556.60x = 388,603,160.51
  5. Step 5: Solve for x
    x = 388,603,160.51/22,556.60
  6. Step 6: Final answer
    x = 17,227.91

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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.