Home / 17,815.99-24,586.11-9,858.76

Finding the Fourth Proportional to 17,815.99, 24,586.11 and 9,858.76

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Solution

The fourth proportional to 17,815.99, 24,586.11 and 9,858.76 is: 13,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.99 : 24,586.11 = 9,858.76 : x
  2. Step 2: Convert to fraction form
    17,815.99/24,586.11 = 9,858.76/x
  3. Step 3: Cross multiply
    17,815.99x = 24,586.11 × 9,858.76
  4. Step 4: Simplify right side
    17,815.99x = 242,388,557.82
  5. Step 5: Solve for x
    x = 242,388,557.82/17,815.99
  6. Step 6: Final answer
    x = 13,605.11

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.