Home / 25,188.56-37,785.40-9,619.28

Finding the Fourth Proportional to 25,188.56, 37,785.40 and 9,619.28

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Solution

The fourth proportional to 25,188.56, 37,785.40 and 9,619.28 is: 14,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.56 : 37,785.40 = 9,619.28 : x
  2. Step 2: Convert to fraction form
    25,188.56/37,785.40 = 9,619.28/x
  3. Step 3: Cross multiply
    25,188.56x = 37,785.40 × 9,619.28
  4. Step 4: Simplify right side
    25,188.56x = 363,468,342.51
  5. Step 5: Solve for x
    x = 363,468,342.51/25,188.56
  6. Step 6: Final answer
    x = 14,429.90

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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.