Home / 26,587.94-39,880.47-8,118.50

Finding the Fourth Proportional to 26,587.94, 39,880.47 and 8,118.50

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Solution

The fourth proportional to 26,587.94, 39,880.47 and 8,118.50 is: 12,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.94 : 39,880.47 = 8,118.50 : x
  2. Step 2: Convert to fraction form
    26,587.94/39,880.47 = 8,118.50/x
  3. Step 3: Cross multiply
    26,587.94x = 39,880.47 × 8,118.50
  4. Step 4: Simplify right side
    26,587.94x = 323,769,595.70
  5. Step 5: Solve for x
    x = 323,769,595.70/26,587.94
  6. Step 6: Final answer
    x = 12,177.31

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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.