Home / 14,937.34-20,611.20-8,648.50

Finding the Fourth Proportional to 14,937.34, 20,611.20 and 8,648.50

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Solution

The fourth proportional to 14,937.34, 20,611.20 and 8,648.50 is: 11,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.34 : 20,611.20 = 8,648.50 : x
  2. Step 2: Convert to fraction form
    14,937.34/20,611.20 = 8,648.50/x
  3. Step 3: Cross multiply
    14,937.34x = 20,611.20 × 8,648.50
  4. Step 4: Simplify right side
    14,937.34x = 178,255,963.20
  5. Step 5: Solve for x
    x = 178,255,963.20/14,937.34
  6. Step 6: Final answer
    x = 11,933.58

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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.