Home / 22,556.01-31,126.78-12,483.84

Finding the Fourth Proportional to 22,556.01, 31,126.78 and 12,483.84

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Solution

The fourth proportional to 22,556.01, 31,126.78 and 12,483.84 is: 17,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556.01 : 31,126.78 = 12,483.84 : x
  2. Step 2: Convert to fraction form
    22,556.01/31,126.78 = 12,483.84/x
  3. Step 3: Cross multiply
    22,556.01x = 31,126.78 × 12,483.84
  4. Step 4: Simplify right side
    22,556.01x = 388,581,741.24
  5. Step 5: Solve for x
    x = 388,581,741.24/22,556.01
  6. Step 6: Final answer
    x = 17,227.41

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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.