Home / 19,281.05-26,609.19-10,785.97

Finding the Fourth Proportional to 19,281.05, 26,609.19 and 10,785.97

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Solution

The fourth proportional to 19,281.05, 26,609.19 and 10,785.97 is: 14,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.05 : 26,609.19 = 10,785.97 : x
  2. Step 2: Convert to fraction form
    19,281.05/26,609.19 = 10,785.97/x
  3. Step 3: Cross multiply
    19,281.05x = 26,609.19 × 10,785.97
  4. Step 4: Simplify right side
    19,281.05x = 287,005,978.55
  5. Step 5: Solve for x
    x = 287,005,978.55/19,281.05
  6. Step 6: Final answer
    x = 14,885.39

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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.