Home / 22,556.99-31,127.68-12,484.84

Finding the Fourth Proportional to 22,556.99, 31,127.68 and 12,484.84

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Solution

The fourth proportional to 22,556.99, 31,127.68 and 12,484.84 is: 17,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556.99 : 31,127.68 = 12,484.84 : x
  2. Step 2: Convert to fraction form
    22,556.99/31,127.68 = 12,484.84/x
  3. Step 3: Cross multiply
    22,556.99x = 31,127.68 × 12,484.84
  4. Step 4: Simplify right side
    22,556.99x = 388,623,995.34
  5. Step 5: Solve for x
    x = 388,623,995.34/22,556.99
  6. Step 6: Final answer
    x = 17,228.54

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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.