Home / 25,025.68-37,542.69-11,870.87

Finding the Fourth Proportional to 25,025.68, 37,542.69 and 11,870.87

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Solution

The fourth proportional to 25,025.68, 37,542.69 and 11,870.87 is: 17,808.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,025.68 : 37,542.69 = 11,870.87 : x
  2. Step 2: Convert to fraction form
    25,025.68/37,542.69 = 11,870.87/x
  3. Step 3: Cross multiply
    25,025.68x = 37,542.69 × 11,870.87
  4. Step 4: Simplify right side
    25,025.68x = 445,664,415.90
  5. Step 5: Solve for x
    x = 445,664,415.90/25,025.68
  6. Step 6: Final answer
    x = 17,808.29

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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.