Home / 13,313.47-18,372.19-7,263.89

Finding the Fourth Proportional to 13,313.47, 18,372.19 and 7,263.89

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Solution

The fourth proportional to 13,313.47, 18,372.19 and 7,263.89 is: 10,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.47 : 18,372.19 = 7,263.89 : x
  2. Step 2: Convert to fraction form
    13,313.47/18,372.19 = 7,263.89/x
  3. Step 3: Cross multiply
    13,313.47x = 18,372.19 × 7,263.89
  4. Step 4: Simplify right side
    13,313.47x = 133,453,567.22
  5. Step 5: Solve for x
    x = 133,453,567.22/13,313.47
  6. Step 6: Final answer
    x = 10,023.95

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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.