Home / 22,556.26-31,126.84-12,484.72

Finding the Fourth Proportional to 22,556.26, 31,126.84 and 12,484.72

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Solution

The fourth proportional to 22,556.26, 31,126.84 and 12,484.72 is: 17,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556.26 : 31,126.84 = 12,484.72 : x
  2. Step 2: Convert to fraction form
    22,556.26/31,126.84 = 12,484.72/x
  3. Step 3: Cross multiply
    22,556.26x = 31,126.84 × 12,484.72
  4. Step 4: Simplify right side
    22,556.26x = 388,609,881.88
  5. Step 5: Solve for x
    x = 388,609,881.88/22,556.26
  6. Step 6: Final answer
    x = 17,228.47

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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.