Home / 19,037.12-28,555.68-5,889.20

Finding the Fourth Proportional to 19,037.12, 28,555.68 and 5,889.20

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Solution

The fourth proportional to 19,037.12, 28,555.68 and 5,889.20 is: 8,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.12 : 28,555.68 = 5,889.20 : x
  2. Step 2: Convert to fraction form
    19,037.12/28,555.68 = 5,889.20/x
  3. Step 3: Cross multiply
    19,037.12x = 28,555.68 × 5,889.20
  4. Step 4: Simplify right side
    19,037.12x = 168,170,110.66
  5. Step 5: Solve for x
    x = 168,170,110.66/19,037.12
  6. Step 6: Final answer
    x = 8,833.80

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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.