Home / 13,465.66-18,581.15-7,496.86

Finding the Fourth Proportional to 13,465.66, 18,581.15 and 7,496.86

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Solution

The fourth proportional to 13,465.66, 18,581.15 and 7,496.86 is: 10,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.66 : 18,581.15 = 7,496.86 : x
  2. Step 2: Convert to fraction form
    13,465.66/18,581.15 = 7,496.86/x
  3. Step 3: Cross multiply
    13,465.66x = 18,581.15 × 7,496.86
  4. Step 4: Simplify right side
    13,465.66x = 139,300,280.19
  5. Step 5: Solve for x
    x = 139,300,280.19/13,465.66
  6. Step 6: Final answer
    x = 10,344.85

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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.