Home / 13,447.92-18,558.57-7,398.41

Finding the Fourth Proportional to 13,447.92, 18,558.57 and 7,398.41

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Solution

The fourth proportional to 13,447.92, 18,558.57 and 7,398.41 is: 10,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.92 : 18,558.57 = 7,398.41 : x
  2. Step 2: Convert to fraction form
    13,447.92/18,558.57 = 7,398.41/x
  3. Step 3: Cross multiply
    13,447.92x = 18,558.57 × 7,398.41
  4. Step 4: Simplify right side
    13,447.92x = 137,303,909.87
  5. Step 5: Solve for x
    x = 137,303,909.87/13,447.92
  6. Step 6: Final answer
    x = 10,210.05

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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.