Home / 23,086.14-34,629.28-13,218.64

Finding the Fourth Proportional to 23,086.14, 34,629.28 and 13,218.64

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Solution

The fourth proportional to 23,086.14, 34,629.28 and 13,218.64 is: 19,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,086.14 : 34,629.28 = 13,218.64 : x
  2. Step 2: Convert to fraction form
    23,086.14/34,629.28 = 13,218.64/x
  3. Step 3: Cross multiply
    23,086.14x = 34,629.28 × 13,218.64
  4. Step 4: Simplify right side
    23,086.14x = 457,751,985.78
  5. Step 5: Solve for x
    x = 457,751,985.78/23,086.14
  6. Step 6: Final answer
    x = 19,828.00

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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.