Home / 13,313.34-18,376.71-8,593.98

Finding the Fourth Proportional to 13,313.34, 18,376.71 and 8,593.98

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Solution

The fourth proportional to 13,313.34, 18,376.71 and 8,593.98 is: 11,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.34 : 18,376.71 = 8,593.98 : x
  2. Step 2: Convert to fraction form
    13,313.34/18,376.71 = 8,593.98/x
  3. Step 3: Cross multiply
    13,313.34x = 18,376.71 × 8,593.98
  4. Step 4: Simplify right side
    13,313.34x = 157,929,078.21
  5. Step 5: Solve for x
    x = 157,929,078.21/13,313.34
  6. Step 6: Final answer
    x = 11,862.47

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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.