Home / 22,784.09-31,444.22-13,829.54

Finding the Fourth Proportional to 22,784.09, 31,444.22 and 13,829.54

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Solution

The fourth proportional to 22,784.09, 31,444.22 and 13,829.54 is: 19,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784.09 : 31,444.22 = 13,829.54 : x
  2. Step 2: Convert to fraction form
    22,784.09/31,444.22 = 13,829.54/x
  3. Step 3: Cross multiply
    22,784.09x = 31,444.22 × 13,829.54
  4. Step 4: Simplify right side
    22,784.09x = 434,859,029.11
  5. Step 5: Solve for x
    x = 434,859,029.11/22,784.09
  6. Step 6: Final answer
    x = 19,086.08

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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.