Home / 65,227.21-97,840.83-18,480.10

Finding the Fourth Proportional to 65,227.21, 97,840.83 and 18,480.10

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Solution

The fourth proportional to 65,227.21, 97,840.83 and 18,480.10 is: 27,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.21 : 97,840.83 = 18,480.10 : x
  2. Step 2: Convert to fraction form
    65,227.21/97,840.83 = 18,480.10/x
  3. Step 3: Cross multiply
    65,227.21x = 97,840.83 × 18,480.10
  4. Step 4: Simplify right side
    65,227.21x = 1,808,108,322.48
  5. Step 5: Solve for x
    x = 1,808,108,322.48/65,227.21
  6. Step 6: Final answer
    x = 27,720.15

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Double scale
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Similar ratio
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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.