Home / 25,184.47-34,754.65-13,855.13

Finding the Fourth Proportional to 25,184.47, 34,754.65 and 13,855.13

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Solution

The fourth proportional to 25,184.47, 34,754.65 and 13,855.13 is: 19,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,184.47 : 34,754.65 = 13,855.13 : x
  2. Step 2: Convert to fraction form
    25,184.47/34,754.65 = 13,855.13/x
  3. Step 3: Cross multiply
    25,184.47x = 34,754.65 × 13,855.13
  4. Step 4: Simplify right side
    25,184.47x = 481,530,159.22
  5. Step 5: Solve for x
    x = 481,530,159.22/25,184.47
  6. Step 6: Final answer
    x = 19,120.12

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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.