Home / 20,113.64-27,773.40-13,052.12

Finding the Fourth Proportional to 20,113.64, 27,773.40 and 13,052.12

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Solution

The fourth proportional to 20,113.64, 27,773.40 and 13,052.12 is: 18,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.64 : 27,773.40 = 13,052.12 : x
  2. Step 2: Convert to fraction form
    20,113.64/27,773.40 = 13,052.12/x
  3. Step 3: Cross multiply
    20,113.64x = 27,773.40 × 13,052.12
  4. Step 4: Simplify right side
    20,113.64x = 362,501,749.61
  5. Step 5: Solve for x
    x = 362,501,749.61/20,113.64
  6. Step 6: Final answer
    x = 18,022.68

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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.