Home / 22,462.88-30,998.40-12,392.28

Finding the Fourth Proportional to 22,462.88, 30,998.40 and 12,392.28

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Solution

The fourth proportional to 22,462.88, 30,998.40 and 12,392.28 is: 17,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.88 : 30,998.40 = 12,392.28 : x
  2. Step 2: Convert to fraction form
    22,462.88/30,998.40 = 12,392.28/x
  3. Step 3: Cross multiply
    22,462.88x = 30,998.40 × 12,392.28
  4. Step 4: Simplify right side
    22,462.88x = 384,140,852.35
  5. Step 5: Solve for x
    x = 384,140,852.35/22,462.88
  6. Step 6: Final answer
    x = 17,101.14

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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.