Home / 36,986.18-55,488.60-10,690.76

Finding the Fourth Proportional to 36,986.18, 55,488.60 and 10,690.76

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Solution

The fourth proportional to 36,986.18, 55,488.60 and 10,690.76 is: 16,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.18 : 55,488.60 = 10,690.76 : x
  2. Step 2: Convert to fraction form
    36,986.18/55,488.60 = 10,690.76/x
  3. Step 3: Cross multiply
    36,986.18x = 55,488.60 × 10,690.76
  4. Step 4: Simplify right side
    36,986.18x = 593,215,305.34
  5. Step 5: Solve for x
    x = 593,215,305.34/36,986.18
  6. Step 6: Final answer
    x = 16,038.84

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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.