Home / 25,231.77-34,820.69-13,902.57

Finding the Fourth Proportional to 25,231.77, 34,820.69 and 13,902.57

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Solution

The fourth proportional to 25,231.77, 34,820.69 and 13,902.57 is: 19,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.77 : 34,820.69 = 13,902.57 : x
  2. Step 2: Convert to fraction form
    25,231.77/34,820.69 = 13,902.57/x
  3. Step 3: Cross multiply
    25,231.77x = 34,820.69 × 13,902.57
  4. Step 4: Simplify right side
    25,231.77x = 484,097,010.66
  5. Step 5: Solve for x
    x = 484,097,010.66/25,231.77
  6. Step 6: Final answer
    x = 19,186.01

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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.