Home / 22,881.28-31,577.40-13,927.36

Finding the Fourth Proportional to 22,881.28, 31,577.40 and 13,927.36

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Solution

The fourth proportional to 22,881.28, 31,577.40 and 13,927.36 is: 19,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.28 : 31,577.40 = 13,927.36 : x
  2. Step 2: Convert to fraction form
    22,881.28/31,577.40 = 13,927.36/x
  3. Step 3: Cross multiply
    22,881.28x = 31,577.40 × 13,927.36
  4. Step 4: Simplify right side
    22,881.28x = 439,789,817.66
  5. Step 5: Solve for x
    x = 439,789,817.66/22,881.28
  6. Step 6: Final answer
    x = 19,220.51

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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.