Home / 25,473.60-38,210.40-9,891.36

Finding the Fourth Proportional to 25,473.60, 38,210.40 and 9,891.36

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Solution

The fourth proportional to 25,473.60, 38,210.40 and 9,891.36 is: 14,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,473.60 : 38,210.40 = 9,891.36 : x
  2. Step 2: Convert to fraction form
    25,473.60/38,210.40 = 9,891.36/x
  3. Step 3: Cross multiply
    25,473.60x = 38,210.40 × 9,891.36
  4. Step 4: Simplify right side
    25,473.60x = 377,952,822.14
  5. Step 5: Solve for x
    x = 377,952,822.14/25,473.60
  6. Step 6: Final answer
    x = 14,837.04

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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.