Home / 19,245.64-26,553.18-11,177.74

Finding the Fourth Proportional to 19,245.64, 26,553.18 and 11,177.74

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Solution

The fourth proportional to 19,245.64, 26,553.18 and 11,177.74 is: 15,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.64 : 26,553.18 = 11,177.74 : x
  2. Step 2: Convert to fraction form
    19,245.64/26,553.18 = 11,177.74/x
  3. Step 3: Cross multiply
    19,245.64x = 26,553.18 × 11,177.74
  4. Step 4: Simplify right side
    19,245.64x = 296,804,353.56
  5. Step 5: Solve for x
    x = 296,804,353.56/19,245.64
  6. Step 6: Final answer
    x = 15,421.90

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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.