Home / 25,690.83-38,558.10-10,119.39

Finding the Fourth Proportional to 25,690.83, 38,558.10 and 10,119.39

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Solution

The fourth proportional to 25,690.83, 38,558.10 and 10,119.39 is: 15,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.83 : 38,558.10 = 10,119.39 : x
  2. Step 2: Convert to fraction form
    25,690.83/38,558.10 = 10,119.39/x
  3. Step 3: Cross multiply
    25,690.83x = 38,558.10 × 10,119.39
  4. Step 4: Simplify right side
    25,690.83x = 390,184,451.56
  5. Step 5: Solve for x
    x = 390,184,451.56/25,690.83
  6. Step 6: Final answer
    x = 15,187.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.