Home / 19,350.60-29,025.88-12,775.24

Finding the Fourth Proportional to 19,350.60, 29,025.88 and 12,775.24

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Solution

The fourth proportional to 19,350.60, 29,025.88 and 12,775.24 is: 19,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.60 : 29,025.88 = 12,775.24 : x
  2. Step 2: Convert to fraction form
    19,350.60/29,025.88 = 12,775.24/x
  3. Step 3: Cross multiply
    19,350.60x = 29,025.88 × 12,775.24
  4. Step 4: Simplify right side
    19,350.60x = 370,812,583.21
  5. Step 5: Solve for x
    x = 370,812,583.21/19,350.60
  6. Step 6: Final answer
    x = 19,162.85

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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.