Home / 25,656.69-38,455.86-10,856.37

Finding the Fourth Proportional to 25,656.69, 38,455.86 and 10,856.37

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Solution

The fourth proportional to 25,656.69, 38,455.86 and 10,856.37 is: 16,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.69 : 38,455.86 = 10,856.37 : x
  2. Step 2: Convert to fraction form
    25,656.69/38,455.86 = 10,856.37/x
  3. Step 3: Cross multiply
    25,656.69x = 38,455.86 × 10,856.37
  4. Step 4: Simplify right side
    25,656.69x = 417,491,044.83
  5. Step 5: Solve for x
    x = 417,491,044.83/25,656.69
  6. Step 6: Final answer
    x = 16,272.21

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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.