Home / 25,765.78-38,663.29-10,973.16

Finding the Fourth Proportional to 25,765.78, 38,663.29 and 10,973.16

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Solution

The fourth proportional to 25,765.78, 38,663.29 and 10,973.16 is: 16,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.78 : 38,663.29 = 10,973.16 : x
  2. Step 2: Convert to fraction form
    25,765.78/38,663.29 = 10,973.16/x
  3. Step 3: Cross multiply
    25,765.78x = 38,663.29 × 10,973.16
  4. Step 4: Simplify right side
    25,765.78x = 424,258,467.30
  5. Step 5: Solve for x
    x = 424,258,467.30/25,765.78
  6. Step 6: Final answer
    x = 16,465.97

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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.