Home / 25,631.91-38,429.71-11,392.58

Finding the Fourth Proportional to 25,631.91, 38,429.71 and 11,392.58

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Solution

The fourth proportional to 25,631.91, 38,429.71 and 11,392.58 is: 17,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.91 : 38,429.71 = 11,392.58 : x
  2. Step 2: Convert to fraction form
    25,631.91/38,429.71 = 11,392.58/x
  3. Step 3: Cross multiply
    25,631.91x = 38,429.71 × 11,392.58
  4. Step 4: Simplify right side
    25,631.91x = 437,813,613.14
  5. Step 5: Solve for x
    x = 437,813,613.14/25,631.91
  6. Step 6: Final answer
    x = 17,080.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.