Home / 19,360.66-29,037.52-5,129.23

Finding the Fourth Proportional to 19,360.66, 29,037.52 and 5,129.23

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Solution

The fourth proportional to 19,360.66, 29,037.52 and 5,129.23 is: 7,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.66 : 29,037.52 = 5,129.23 : x
  2. Step 2: Convert to fraction form
    19,360.66/29,037.52 = 5,129.23/x
  3. Step 3: Cross multiply
    19,360.66x = 29,037.52 × 5,129.23
  4. Step 4: Simplify right side
    19,360.66x = 148,940,118.71
  5. Step 5: Solve for x
    x = 148,940,118.71/19,360.66
  6. Step 6: Final answer
    x = 7,692.93

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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.