Home / 13,403.34-18,497.57-8,025.95

Finding the Fourth Proportional to 13,403.34, 18,497.57 and 8,025.95

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Solution

The fourth proportional to 13,403.34, 18,497.57 and 8,025.95 is: 11,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.34 : 18,497.57 = 8,025.95 : x
  2. Step 2: Convert to fraction form
    13,403.34/18,497.57 = 8,025.95/x
  3. Step 3: Cross multiply
    13,403.34x = 18,497.57 × 8,025.95
  4. Step 4: Simplify right side
    13,403.34x = 148,460,578.06
  5. Step 5: Solve for x
    x = 148,460,578.06/13,403.34
  6. Step 6: Final answer
    x = 11,076.39

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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.