Home / 19,134.48-26,405.32-11,177.88

Finding the Fourth Proportional to 19,134.48, 26,405.32 and 11,177.88

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Solution

The fourth proportional to 19,134.48, 26,405.32 and 11,177.88 is: 15,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.48 : 26,405.32 = 11,177.88 : x
  2. Step 2: Convert to fraction form
    19,134.48/26,405.32 = 11,177.88/x
  3. Step 3: Cross multiply
    19,134.48x = 26,405.32 × 11,177.88
  4. Step 4: Simplify right side
    19,134.48x = 295,155,498.32
  5. Step 5: Solve for x
    x = 295,155,498.32/19,134.48
  6. Step 6: Final answer
    x = 15,425.32

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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.