Home / 25,184.71-34,755.72-13,855.08

Finding the Fourth Proportional to 25,184.71, 34,755.72 and 13,855.08

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Solution

The fourth proportional to 25,184.71, 34,755.72 and 13,855.08 is: 19,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,184.71 : 34,755.72 = 13,855.08 : x
  2. Step 2: Convert to fraction form
    25,184.71/34,755.72 = 13,855.08/x
  3. Step 3: Cross multiply
    25,184.71x = 34,755.72 × 13,855.08
  4. Step 4: Simplify right side
    25,184.71x = 481,543,281.06
  5. Step 5: Solve for x
    x = 481,543,281.06/25,184.71
  6. Step 6: Final answer
    x = 19,120.46

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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.