Home / 13,496.73-18,625.49-7,528.40

Finding the Fourth Proportional to 13,496.73, 18,625.49 and 7,528.40

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Solution

The fourth proportional to 13,496.73, 18,625.49 and 7,528.40 is: 10,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.73 : 18,625.49 = 7,528.40 : x
  2. Step 2: Convert to fraction form
    13,496.73/18,625.49 = 7,528.40/x
  3. Step 3: Cross multiply
    13,496.73x = 18,625.49 × 7,528.40
  4. Step 4: Simplify right side
    13,496.73x = 140,220,137.43
  5. Step 5: Solve for x
    x = 140,220,137.43/13,496.73
  6. Step 6: Final answer
    x = 10,389.19

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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.