Home / 22,407.36-30,921.93-12,335.82

Finding the Fourth Proportional to 22,407.36, 30,921.93 and 12,335.82

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Solution

The fourth proportional to 22,407.36, 30,921.93 and 12,335.82 is: 17,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,407.36 : 30,921.93 = 12,335.82 : x
  2. Step 2: Convert to fraction form
    22,407.36/30,921.93 = 12,335.82/x
  3. Step 3: Cross multiply
    22,407.36x = 30,921.93 × 12,335.82
  4. Step 4: Simplify right side
    22,407.36x = 381,447,362.53
  5. Step 5: Solve for x
    x = 381,447,362.53/22,407.36
  6. Step 6: Final answer
    x = 17,023.31

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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.