Home / 26,000.57-39,022.73-11,220.70

Finding the Fourth Proportional to 26,000.57, 39,022.73 and 11,220.70

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Solution

The fourth proportional to 26,000.57, 39,022.73 and 11,220.70 is: 16,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.57 : 39,022.73 = 11,220.70 : x
  2. Step 2: Convert to fraction form
    26,000.57/39,022.73 = 11,220.70/x
  3. Step 3: Cross multiply
    26,000.57x = 39,022.73 × 11,220.70
  4. Step 4: Simplify right side
    26,000.57x = 437,862,346.51
  5. Step 5: Solve for x
    x = 437,862,346.51/26,000.57
  6. Step 6: Final answer
    x = 16,840.49

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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.