Home / 22,318.58-30,800.54-13,364.30

Finding the Fourth Proportional to 22,318.58, 30,800.54 and 13,364.30

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Solution

The fourth proportional to 22,318.58, 30,800.54 and 13,364.30 is: 18,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.58 : 30,800.54 = 13,364.30 : x
  2. Step 2: Convert to fraction form
    22,318.58/30,800.54 = 13,364.30/x
  3. Step 3: Cross multiply
    22,318.58x = 30,800.54 × 13,364.30
  4. Step 4: Simplify right side
    22,318.58x = 411,627,536.13
  5. Step 5: Solve for x
    x = 411,627,536.13/22,318.58
  6. Step 6: Final answer
    x = 18,443.27

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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.