Home / 19,037.57-28,514.77-7,910.53

Finding the Fourth Proportional to 19,037.57, 28,514.77 and 7,910.53

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Solution

The fourth proportional to 19,037.57, 28,514.77 and 7,910.53 is: 11,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.57 : 28,514.77 = 7,910.53 : x
  2. Step 2: Convert to fraction form
    19,037.57/28,514.77 = 7,910.53/x
  3. Step 3: Cross multiply
    19,037.57x = 28,514.77 × 7,910.53
  4. Step 4: Simplify right side
    19,037.57x = 225,566,852.46
  5. Step 5: Solve for x
    x = 225,566,852.46/19,037.57
  6. Step 6: Final answer
    x = 11,848.51

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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.