Home / 14,268.75-19,691.45-7,895.23

Finding the Fourth Proportional to 14,268.75, 19,691.45 and 7,895.23

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Solution

The fourth proportional to 14,268.75, 19,691.45 and 7,895.23 is: 10,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.75 : 19,691.45 = 7,895.23 : x
  2. Step 2: Convert to fraction form
    14,268.75/19,691.45 = 7,895.23/x
  3. Step 3: Cross multiply
    14,268.75x = 19,691.45 × 7,895.23
  4. Step 4: Simplify right side
    14,268.75x = 155,468,526.78
  5. Step 5: Solve for x
    x = 155,468,526.78/14,268.75
  6. Step 6: Final answer
    x = 10,895.74

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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.