Home / 23,082.64-31,855.40-13,649.04

Finding the Fourth Proportional to 23,082.64, 31,855.40 and 13,649.04

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Solution

The fourth proportional to 23,082.64, 31,855.40 and 13,649.04 is: 18,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.64 : 31,855.40 = 13,649.04 : x
  2. Step 2: Convert to fraction form
    23,082.64/31,855.40 = 13,649.04/x
  3. Step 3: Cross multiply
    23,082.64x = 31,855.40 × 13,649.04
  4. Step 4: Simplify right side
    23,082.64x = 434,795,628.82
  5. Step 5: Solve for x
    x = 434,795,628.82/23,082.64
  6. Step 6: Final answer
    x = 18,836.48

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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.