Home / 22,440.39-30,967.74-13,014.42

Finding the Fourth Proportional to 22,440.39, 30,967.74 and 13,014.42

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Solution

The fourth proportional to 22,440.39, 30,967.74 and 13,014.42 is: 17,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.39 : 30,967.74 = 13,014.42 : x
  2. Step 2: Convert to fraction form
    22,440.39/30,967.74 = 13,014.42/x
  3. Step 3: Cross multiply
    22,440.39x = 30,967.74 × 13,014.42
  4. Step 4: Simplify right side
    22,440.39x = 403,027,174.81
  5. Step 5: Solve for x
    x = 403,027,174.81/22,440.39
  6. Step 6: Final answer
    x = 17,959.90

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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.