Home / 25,298.45-34,910.91-13,967.70

Finding the Fourth Proportional to 25,298.45, 34,910.91 and 13,967.70

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Solution

The fourth proportional to 25,298.45, 34,910.91 and 13,967.70 is: 19,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,298.45 : 34,910.91 = 13,967.70 : x
  2. Step 2: Convert to fraction form
    25,298.45/34,910.91 = 13,967.70/x
  3. Step 3: Cross multiply
    25,298.45x = 34,910.91 × 13,967.70
  4. Step 4: Simplify right side
    25,298.45x = 487,624,986.69
  5. Step 5: Solve for x
    x = 487,624,986.69/25,298.45
  6. Step 6: Final answer
    x = 19,274.90

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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.