Home / 26,207.15-39,298.62-8,434.50

Finding the Fourth Proportional to 26,207.15, 39,298.62 and 8,434.50

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Solution

The fourth proportional to 26,207.15, 39,298.62 and 8,434.50 is: 12,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,207.15 : 39,298.62 = 8,434.50 : x
  2. Step 2: Convert to fraction form
    26,207.15/39,298.62 = 8,434.50/x
  3. Step 3: Cross multiply
    26,207.15x = 39,298.62 × 8,434.50
  4. Step 4: Simplify right side
    26,207.15x = 331,464,210.39
  5. Step 5: Solve for x
    x = 331,464,210.39/26,207.15
  6. Step 6: Final answer
    x = 12,647.86

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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.