Home / 32,856.91-45,342.49-18,709.76

Finding the Fourth Proportional to 32,856.91, 45,342.49 and 18,709.76

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Solution

The fourth proportional to 32,856.91, 45,342.49 and 18,709.76 is: 25,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.91 : 45,342.49 = 18,709.76 : x
  2. Step 2: Convert to fraction form
    32,856.91/45,342.49 = 18,709.76/x
  3. Step 3: Cross multiply
    32,856.91x = 45,342.49 × 18,709.76
  4. Step 4: Simplify right side
    32,856.91x = 848,346,878.99
  5. Step 5: Solve for x
    x = 848,346,878.99/32,856.91
  6. Step 6: Final answer
    x = 25,819.44

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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.