Home / 23,291.64-32,142.96-13,082.40

Finding the Fourth Proportional to 23,291.64, 32,142.96 and 13,082.40

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Solution

The fourth proportional to 23,291.64, 32,142.96 and 13,082.40 is: 18,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.64 : 32,142.96 = 13,082.40 : x
  2. Step 2: Convert to fraction form
    23,291.64/32,142.96 = 13,082.40/x
  3. Step 3: Cross multiply
    23,291.64x = 32,142.96 × 13,082.40
  4. Step 4: Simplify right side
    23,291.64x = 420,507,059.90
  5. Step 5: Solve for x
    x = 420,507,059.90/23,291.64
  6. Step 6: Final answer
    x = 18,053.99

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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.