Home / 25,362.78-38,055.06-9,791.34

Finding the Fourth Proportional to 25,362.78, 38,055.06 and 9,791.34

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Solution

The fourth proportional to 25,362.78, 38,055.06 and 9,791.34 is: 14,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,362.78 : 38,055.06 = 9,791.34 : x
  2. Step 2: Convert to fraction form
    25,362.78/38,055.06 = 9,791.34/x
  3. Step 3: Cross multiply
    25,362.78x = 38,055.06 × 9,791.34
  4. Step 4: Simplify right side
    25,362.78x = 372,610,031.18
  5. Step 5: Solve for x
    x = 372,610,031.18/25,362.78
  6. Step 6: Final answer
    x = 14,691.21

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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.