Home / 18,784.62-25,910.28-14,298.30

Finding the Fourth Proportional to 18,784.62, 25,910.28 and 14,298.30

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Solution

The fourth proportional to 18,784.62, 25,910.28 and 14,298.30 is: 19,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.62 : 25,910.28 = 14,298.30 : x
  2. Step 2: Convert to fraction form
    18,784.62/25,910.28 = 14,298.30/x
  3. Step 3: Cross multiply
    18,784.62x = 25,910.28 × 14,298.30
  4. Step 4: Simplify right side
    18,784.62x = 370,472,956.52
  5. Step 5: Solve for x
    x = 370,472,956.52/18,784.62
  6. Step 6: Final answer
    x = 19,722.14

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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.