Home / 22,864.61-31,556.05-13,911.57

Finding the Fourth Proportional to 22,864.61, 31,556.05 and 13,911.57

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Solution

The fourth proportional to 22,864.61, 31,556.05 and 13,911.57 is: 19,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,864.61 : 31,556.05 = 13,911.57 : x
  2. Step 2: Convert to fraction form
    22,864.61/31,556.05 = 13,911.57/x
  3. Step 3: Cross multiply
    22,864.61x = 31,556.05 × 13,911.57
  4. Step 4: Simplify right side
    22,864.61x = 438,994,163.72
  5. Step 5: Solve for x
    x = 438,994,163.72/22,864.61
  6. Step 6: Final answer
    x = 19,199.73

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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.