Home / 25,456.44-38,169.54-10,459.11

Finding the Fourth Proportional to 25,456.44, 38,169.54 and 10,459.11

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Solution

The fourth proportional to 25,456.44, 38,169.54 and 10,459.11 is: 15,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.44 : 38,169.54 = 10,459.11 : x
  2. Step 2: Convert to fraction form
    25,456.44/38,169.54 = 10,459.11/x
  3. Step 3: Cross multiply
    25,456.44x = 38,169.54 × 10,459.11
  4. Step 4: Simplify right side
    25,456.44x = 399,219,417.51
  5. Step 5: Solve for x
    x = 399,219,417.51/25,456.44
  6. Step 6: Final answer
    x = 15,682.45

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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.