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Finding the Fourth Proportional to 26,190, 36,133.08 and 14,858.16

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Solution

The fourth proportional to 26,190, 36,133.08 and 14,858.16 is: 20,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190 : 36,133.08 = 14,858.16 : x
  2. Step 2: Convert to fraction form
    26,190/36,133.08 = 14,858.16/x
  3. Step 3: Cross multiply
    26,190x = 36,133.08 × 14,858.16
  4. Step 4: Simplify right side
    26,190x = 536,871,083.93
  5. Step 5: Solve for x
    x = 536,871,083.93/26,190
  6. Step 6: Final answer
    x = 20,499.09

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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.