Home / 14,731.90-20,337.55-11,367.16

Finding the Fourth Proportional to 14,731.90, 20,337.55 and 11,367.16

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Solution

The fourth proportional to 14,731.90, 20,337.55 and 11,367.16 is: 15,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.90 : 20,337.55 = 11,367.16 : x
  2. Step 2: Convert to fraction form
    14,731.90/20,337.55 = 11,367.16/x
  3. Step 3: Cross multiply
    14,731.90x = 20,337.55 × 11,367.16
  4. Step 4: Simplify right side
    14,731.90x = 231,180,054.75
  5. Step 5: Solve for x
    x = 231,180,054.75/14,731.90
  6. Step 6: Final answer
    x = 15,692.49

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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.