Home / 13,403.27-18,496.86-7,435.04

Finding the Fourth Proportional to 13,403.27, 18,496.86 and 7,435.04

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Solution

The fourth proportional to 13,403.27, 18,496.86 and 7,435.04 is: 10,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.27 : 18,496.86 = 7,435.04 : x
  2. Step 2: Convert to fraction form
    13,403.27/18,496.86 = 7,435.04/x
  3. Step 3: Cross multiply
    13,403.27x = 18,496.86 × 7,435.04
  4. Step 4: Simplify right side
    13,403.27x = 137,524,877.65
  5. Step 5: Solve for x
    x = 137,524,877.65/13,403.27
  6. Step 6: Final answer
    x = 10,260.54

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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.