Home / 15,068.88-20,784.69-10,344.96

Finding the Fourth Proportional to 15,068.88, 20,784.69 and 10,344.96

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Solution

The fourth proportional to 15,068.88, 20,784.69 and 10,344.96 is: 14,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.88 : 20,784.69 = 10,344.96 : x
  2. Step 2: Convert to fraction form
    15,068.88/20,784.69 = 10,344.96/x
  3. Step 3: Cross multiply
    15,068.88x = 20,784.69 × 10,344.96
  4. Step 4: Simplify right side
    15,068.88x = 215,016,786.66
  5. Step 5: Solve for x
    x = 215,016,786.66/15,068.88
  6. Step 6: Final answer
    x = 14,268.93

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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.