Home / 25,167.80-34,728.54-13,835.43

Finding the Fourth Proportional to 25,167.80, 34,728.54 and 13,835.43

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Solution

The fourth proportional to 25,167.80, 34,728.54 and 13,835.43 is: 19,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.80 : 34,728.54 = 13,835.43 : x
  2. Step 2: Convert to fraction form
    25,167.80/34,728.54 = 13,835.43/x
  3. Step 3: Cross multiply
    25,167.80x = 34,728.54 × 13,835.43
  4. Step 4: Simplify right side
    25,167.80x = 480,484,284.17
  5. Step 5: Solve for x
    x = 480,484,284.17/25,167.80
  6. Step 6: Final answer
    x = 19,091.23

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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.