Home / 13,334.22-18,403.47-7,748.46

Finding the Fourth Proportional to 13,334.22, 18,403.47 and 7,748.46

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Solution

The fourth proportional to 13,334.22, 18,403.47 and 7,748.46 is: 10,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.22 : 18,403.47 = 7,748.46 : x
  2. Step 2: Convert to fraction form
    13,334.22/18,403.47 = 7,748.46/x
  3. Step 3: Cross multiply
    13,334.22x = 18,403.47 × 7,748.46
  4. Step 4: Simplify right side
    13,334.22x = 142,598,551.16
  5. Step 5: Solve for x
    x = 142,598,551.16/13,334.22
  6. Step 6: Final answer
    x = 10,694.18

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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.