Home / 25,588.40-38,382.59-9,995.09

Finding the Fourth Proportional to 25,588.40, 38,382.59 and 9,995.09

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Solution

The fourth proportional to 25,588.40, 38,382.59 and 9,995.09 is: 14,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,588.40 : 38,382.59 = 9,995.09 : x
  2. Step 2: Convert to fraction form
    25,588.40/38,382.59 = 9,995.09/x
  3. Step 3: Cross multiply
    25,588.40x = 38,382.59 × 9,995.09
  4. Step 4: Simplify right side
    25,588.40x = 383,637,324.60
  5. Step 5: Solve for x
    x = 383,637,324.60/25,588.40
  6. Step 6: Final answer
    x = 14,992.63

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Half scale
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Double scale
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Similar ratio
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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.