Home / 25,345.82-38,017.94-10,554.36

Finding the Fourth Proportional to 25,345.82, 38,017.94 and 10,554.36

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Solution

The fourth proportional to 25,345.82, 38,017.94 and 10,554.36 is: 15,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.82 : 38,017.94 = 10,554.36 : x
  2. Step 2: Convert to fraction form
    25,345.82/38,017.94 = 10,554.36/x
  3. Step 3: Cross multiply
    25,345.82x = 38,017.94 × 10,554.36
  4. Step 4: Simplify right side
    25,345.82x = 401,254,972.45
  5. Step 5: Solve for x
    x = 401,254,972.45/25,345.82
  6. Step 6: Final answer
    x = 15,831.21

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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.