Home / 22,865.84-31,556.42-12,795.22

Finding the Fourth Proportional to 22,865.84, 31,556.42 and 12,795.22

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Solution

The fourth proportional to 22,865.84, 31,556.42 and 12,795.22 is: 17,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.84 : 31,556.42 = 12,795.22 : x
  2. Step 2: Convert to fraction form
    22,865.84/31,556.42 = 12,795.22/x
  3. Step 3: Cross multiply
    22,865.84x = 31,556.42 × 12,795.22
  4. Step 4: Simplify right side
    22,865.84x = 403,771,182.26
  5. Step 5: Solve for x
    x = 403,771,182.26/22,865.84
  6. Step 6: Final answer
    x = 17,658.27

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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.