Home / 13,336.04-18,403.56-7,367.72

Finding the Fourth Proportional to 13,336.04, 18,403.56 and 7,367.72

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Solution

The fourth proportional to 13,336.04, 18,403.56 and 7,367.72 is: 10,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.04 : 18,403.56 = 7,367.72 : x
  2. Step 2: Convert to fraction form
    13,336.04/18,403.56 = 7,367.72/x
  3. Step 3: Cross multiply
    13,336.04x = 18,403.56 × 7,367.72
  4. Step 4: Simplify right side
    13,336.04x = 135,592,277.08
  5. Step 5: Solve for x
    x = 135,592,277.08/13,336.04
  6. Step 6: Final answer
    x = 10,167.36

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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.