Home / 18,555.55-25,615.49-10,596.23

Finding the Fourth Proportional to 18,555.55, 25,615.49 and 10,596.23

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Solution

The fourth proportional to 18,555.55, 25,615.49 and 10,596.23 is: 14,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.55 : 25,615.49 = 10,596.23 : x
  2. Step 2: Convert to fraction form
    18,555.55/25,615.49 = 10,596.23/x
  3. Step 3: Cross multiply
    18,555.55x = 25,615.49 × 10,596.23
  4. Step 4: Simplify right side
    18,555.55x = 271,427,742.29
  5. Step 5: Solve for x
    x = 271,427,742.29/18,555.55
  6. Step 6: Final answer
    x = 14,627.85

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Half scale
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Double scale
Find fourth proportional to 18,556.55, 25,616.87 and 10,597.23
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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.