Home / 18,823.76-25,969.92-11,270.32

Finding the Fourth Proportional to 18,823.76, 25,969.92 and 11,270.32

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Solution

The fourth proportional to 18,823.76, 25,969.92 and 11,270.32 is: 15,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.76 : 25,969.92 = 11,270.32 : x
  2. Step 2: Convert to fraction form
    18,823.76/25,969.92 = 11,270.32/x
  3. Step 3: Cross multiply
    18,823.76x = 25,969.92 × 11,270.32
  4. Step 4: Simplify right side
    18,823.76x = 292,689,308.77
  5. Step 5: Solve for x
    x = 292,689,308.77/18,823.76
  6. Step 6: Final answer
    x = 15,548.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.