Home / 18,864.55-26,027.40-11,308.12

Finding the Fourth Proportional to 18,864.55, 26,027.40 and 11,308.12

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Solution

The fourth proportional to 18,864.55, 26,027.40 and 11,308.12 is: 15,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.55 : 26,027.40 = 11,308.12 : x
  2. Step 2: Convert to fraction form
    18,864.55/26,027.40 = 11,308.12/x
  3. Step 3: Cross multiply
    18,864.55x = 26,027.40 × 11,308.12
  4. Step 4: Simplify right side
    18,864.55x = 294,320,880.48
  5. Step 5: Solve for x
    x = 294,320,880.48/18,864.55
  6. Step 6: Final answer
    x = 15,601.80

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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.