Home / 13,362.44-18,440.29-7,394.24

Finding the Fourth Proportional to 13,362.44, 18,440.29 and 7,394.24

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Solution

The fourth proportional to 13,362.44, 18,440.29 and 7,394.24 is: 10,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.44 : 18,440.29 = 7,394.24 : x
  2. Step 2: Convert to fraction form
    13,362.44/18,440.29 = 7,394.24/x
  3. Step 3: Cross multiply
    13,362.44x = 18,440.29 × 7,394.24
  4. Step 4: Simplify right side
    13,362.44x = 136,351,881.55
  5. Step 5: Solve for x
    x = 136,351,881.55/13,362.44
  6. Step 6: Final answer
    x = 10,204.12

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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.