Home / 25,358.99-38,028.74-8,715.92

Finding the Fourth Proportional to 25,358.99, 38,028.74 and 8,715.92

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Solution

The fourth proportional to 25,358.99, 38,028.74 and 8,715.92 is: 13,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.99 : 38,028.74 = 8,715.92 : x
  2. Step 2: Convert to fraction form
    25,358.99/38,028.74 = 8,715.92/x
  3. Step 3: Cross multiply
    25,358.99x = 38,028.74 × 8,715.92
  4. Step 4: Simplify right side
    25,358.99x = 331,455,221.82
  5. Step 5: Solve for x
    x = 331,455,221.82/25,358.99
  6. Step 6: Final answer
    x = 13,070.52

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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.