Home / 25,299.19-37,889.74-19,998.61

Finding the Fourth Proportional to 25,299.19, 37,889.74 and 19,998.61

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Solution

The fourth proportional to 25,299.19, 37,889.74 and 19,998.61 is: 29,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.19 : 37,889.74 = 19,998.61 : x
  2. Step 2: Convert to fraction form
    25,299.19/37,889.74 = 19,998.61/x
  3. Step 3: Cross multiply
    25,299.19x = 37,889.74 × 19,998.61
  4. Step 4: Simplify right side
    25,299.19x = 757,742,276.67
  5. Step 5: Solve for x
    x = 757,742,276.67/25,299.19
  6. Step 6: Final answer
    x = 29,951.25

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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.