Home / 13,465.49-18,578.16-7,496.12

Finding the Fourth Proportional to 13,465.49, 18,578.16 and 7,496.12

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Solution

The fourth proportional to 13,465.49, 18,578.16 and 7,496.12 is: 10,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.49 : 18,578.16 = 7,496.12 : x
  2. Step 2: Convert to fraction form
    13,465.49/18,578.16 = 7,496.12/x
  3. Step 3: Cross multiply
    13,465.49x = 18,578.16 × 7,496.12
  4. Step 4: Simplify right side
    13,465.49x = 139,264,163.18
  5. Step 5: Solve for x
    x = 139,264,163.18/13,465.49
  6. Step 6: Final answer
    x = 10,342.31

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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.