Home / 25,145.07-34,700.94-13,815.27

Finding the Fourth Proportional to 25,145.07, 34,700.94 and 13,815.27

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Solution

The fourth proportional to 25,145.07, 34,700.94 and 13,815.27 is: 19,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.07 : 34,700.94 = 13,815.27 : x
  2. Step 2: Convert to fraction form
    25,145.07/34,700.94 = 13,815.27/x
  3. Step 3: Cross multiply
    25,145.07x = 34,700.94 × 13,815.27
  4. Step 4: Simplify right side
    25,145.07x = 479,402,855.35
  5. Step 5: Solve for x
    x = 479,402,855.35/25,145.07
  6. Step 6: Final answer
    x = 19,065.48

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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.