Home / 14,937.48-20,611.15-8,972.43

Finding the Fourth Proportional to 14,937.48, 20,611.15 and 8,972.43

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Solution

The fourth proportional to 14,937.48, 20,611.15 and 8,972.43 is: 12,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.48 : 20,611.15 = 8,972.43 : x
  2. Step 2: Convert to fraction form
    14,937.48/20,611.15 = 8,972.43/x
  3. Step 3: Cross multiply
    14,937.48x = 20,611.15 × 8,972.43
  4. Step 4: Simplify right side
    14,937.48x = 184,932,100.59
  5. Step 5: Solve for x
    x = 184,932,100.59/14,937.48
  6. Step 6: Final answer
    x = 12,380.41

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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.