Home / 26,488.74-39,730.66-8,958.72

Finding the Fourth Proportional to 26,488.74, 39,730.66 and 8,958.72

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Solution

The fourth proportional to 26,488.74, 39,730.66 and 8,958.72 is: 13,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.74 : 39,730.66 = 8,958.72 : x
  2. Step 2: Convert to fraction form
    26,488.74/39,730.66 = 8,958.72/x
  3. Step 3: Cross multiply
    26,488.74x = 39,730.66 × 8,958.72
  4. Step 4: Simplify right side
    26,488.74x = 355,935,858.36
  5. Step 5: Solve for x
    x = 355,935,858.36/26,488.74
  6. Step 6: Final answer
    x = 13,437.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.