Home / 19,125.44-26,387.36-11,165.76

Finding the Fourth Proportional to 19,125.44, 26,387.36 and 11,165.76

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Solution

The fourth proportional to 19,125.44, 26,387.36 and 11,165.76 is: 15,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.44 : 26,387.36 = 11,165.76 : x
  2. Step 2: Convert to fraction form
    19,125.44/26,387.36 = 11,165.76/x
  3. Step 3: Cross multiply
    19,125.44x = 26,387.36 × 11,165.76
  4. Step 4: Simplify right side
    19,125.44x = 294,634,928.79
  5. Step 5: Solve for x
    x = 294,634,928.79/19,125.44
  6. Step 6: Final answer
    x = 15,405.39

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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.