Home / 25,143.86-34,698.54-13,965.86

Finding the Fourth Proportional to 25,143.86, 34,698.54 and 13,965.86

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Solution

The fourth proportional to 25,143.86, 34,698.54 and 13,965.86 is: 19,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.86 : 34,698.54 = 13,965.86 : x
  2. Step 2: Convert to fraction form
    25,143.86/34,698.54 = 13,965.86/x
  3. Step 3: Cross multiply
    25,143.86x = 34,698.54 × 13,965.86
  4. Step 4: Simplify right side
    25,143.86x = 484,594,951.84
  5. Step 5: Solve for x
    x = 484,594,951.84/25,143.86
  6. Step 6: Final answer
    x = 19,272.89

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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.