Home / 25,151.08-34,704.90-13,975.72

Finding the Fourth Proportional to 25,151.08, 34,704.90 and 13,975.72

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Solution

The fourth proportional to 25,151.08, 34,704.90 and 13,975.72 is: 19,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.08 : 34,704.90 = 13,975.72 : x
  2. Step 2: Convert to fraction form
    25,151.08/34,704.90 = 13,975.72/x
  3. Step 3: Cross multiply
    25,151.08x = 34,704.90 × 13,975.72
  4. Step 4: Simplify right side
    25,151.08x = 485,025,965.03
  5. Step 5: Solve for x
    x = 485,025,965.03/25,151.08
  6. Step 6: Final answer
    x = 19,284.50

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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.