Home / 22,607.14-31,204.34-13,653.13

Finding the Fourth Proportional to 22,607.14, 31,204.34 and 13,653.13

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Solution

The fourth proportional to 22,607.14, 31,204.34 and 13,653.13 is: 18,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.14 : 31,204.34 = 13,653.13 : x
  2. Step 2: Convert to fraction form
    22,607.14/31,204.34 = 13,653.13/x
  3. Step 3: Cross multiply
    22,607.14x = 31,204.34 × 13,653.13
  4. Step 4: Simplify right side
    22,607.14x = 426,036,910.58
  5. Step 5: Solve for x
    x = 426,036,910.58/22,607.14
  6. Step 6: Final answer
    x = 18,845.24

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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.