Home / 25,085.74-34,618.37-13,907.74

Finding the Fourth Proportional to 25,085.74, 34,618.37 and 13,907.74

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Solution

The fourth proportional to 25,085.74, 34,618.37 and 13,907.74 is: 19,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.74 : 34,618.37 = 13,907.74 : x
  2. Step 2: Convert to fraction form
    25,085.74/34,618.37 = 13,907.74/x
  3. Step 3: Cross multiply
    25,085.74x = 34,618.37 × 13,907.74
  4. Step 4: Simplify right side
    25,085.74x = 481,463,289.18
  5. Step 5: Solve for x
    x = 481,463,289.18/25,085.74
  6. Step 6: Final answer
    x = 19,192.71

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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.