Home / 19,459.20-26,854.44-10,964.70

Finding the Fourth Proportional to 19,459.20, 26,854.44 and 10,964.70

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Solution

The fourth proportional to 19,459.20, 26,854.44 and 10,964.70 is: 15,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.20 : 26,854.44 = 10,964.70 : x
  2. Step 2: Convert to fraction form
    19,459.20/26,854.44 = 10,964.70/x
  3. Step 3: Cross multiply
    19,459.20x = 26,854.44 × 10,964.70
  4. Step 4: Simplify right side
    19,459.20x = 294,450,878.27
  5. Step 5: Solve for x
    x = 294,450,878.27/19,459.20
  6. Step 6: Final answer
    x = 15,131.71

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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.