Home / 25,451.01-35,090.10-18,191.79

Finding the Fourth Proportional to 25,451.01, 35,090.10 and 18,191.79

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Solution

The fourth proportional to 25,451.01, 35,090.10 and 18,191.79 is: 25,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.01 : 35,090.10 = 18,191.79 : x
  2. Step 2: Convert to fraction form
    25,451.01/35,090.10 = 18,191.79/x
  3. Step 3: Cross multiply
    25,451.01x = 35,090.10 × 18,191.79
  4. Step 4: Simplify right side
    25,451.01x = 638,351,730.28
  5. Step 5: Solve for x
    x = 638,351,730.28/25,451.01
  6. Step 6: Final answer
    x = 25,081.59

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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.