Home / 22,881.06-31,566.48-13,921.38

Finding the Fourth Proportional to 22,881.06, 31,566.48 and 13,921.38

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Solution

The fourth proportional to 22,881.06, 31,566.48 and 13,921.38 is: 19,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.06 : 31,566.48 = 13,921.38 : x
  2. Step 2: Convert to fraction form
    22,881.06/31,566.48 = 13,921.38/x
  3. Step 3: Cross multiply
    22,881.06x = 31,566.48 × 13,921.38
  4. Step 4: Simplify right side
    22,881.06x = 439,448,963.34
  5. Step 5: Solve for x
    x = 439,448,963.34/22,881.06
  6. Step 6: Final answer
    x = 19,205.80

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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.