Home / 29,315.61-40,453.53-18,704.07

Finding the Fourth Proportional to 29,315.61, 40,453.53 and 18,704.07

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Solution

The fourth proportional to 29,315.61, 40,453.53 and 18,704.07 is: 25,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.61 : 40,453.53 = 18,704.07 : x
  2. Step 2: Convert to fraction form
    29,315.61/40,453.53 = 18,704.07/x
  3. Step 3: Cross multiply
    29,315.61x = 40,453.53 × 18,704.07
  4. Step 4: Simplify right side
    29,315.61x = 756,645,656.87
  5. Step 5: Solve for x
    x = 756,645,656.87/29,315.61
  6. Step 6: Final answer
    x = 25,810.33

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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.