Home / 18,316.76-25,263.78-11,603.48

Finding the Fourth Proportional to 18,316.76, 25,263.78 and 11,603.48

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Solution

The fourth proportional to 18,316.76, 25,263.78 and 11,603.48 is: 16,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.76 : 25,263.78 = 11,603.48 : x
  2. Step 2: Convert to fraction form
    18,316.76/25,263.78 = 11,603.48/x
  3. Step 3: Cross multiply
    18,316.76x = 25,263.78 × 11,603.48
  4. Step 4: Simplify right side
    18,316.76x = 293,147,765.95
  5. Step 5: Solve for x
    x = 293,147,765.95/18,316.76
  6. Step 6: Final answer
    x = 16,004.35

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Half scale
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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.