Home / 19,644.57-27,110.09-10,692.65

Finding the Fourth Proportional to 19,644.57, 27,110.09 and 10,692.65

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Solution

The fourth proportional to 19,644.57, 27,110.09 and 10,692.65 is: 14,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.57 : 27,110.09 = 10,692.65 : x
  2. Step 2: Convert to fraction form
    19,644.57/27,110.09 = 10,692.65/x
  3. Step 3: Cross multiply
    19,644.57x = 27,110.09 × 10,692.65
  4. Step 4: Simplify right side
    19,644.57x = 289,878,650.38
  5. Step 5: Solve for x
    x = 289,878,650.38/19,644.57
  6. Step 6: Final answer
    x = 14,756.17

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Half scale
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Double scale
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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.