Home / 14,937.60-20,611.58-8,648.76

Finding the Fourth Proportional to 14,937.60, 20,611.58 and 8,648.76

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Solution

The fourth proportional to 14,937.60, 20,611.58 and 8,648.76 is: 11,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.60 : 20,611.58 = 8,648.76 : x
  2. Step 2: Convert to fraction form
    14,937.60/20,611.58 = 8,648.76/x
  3. Step 3: Cross multiply
    14,937.60x = 20,611.58 × 8,648.76
  4. Step 4: Simplify right side
    14,937.60x = 178,264,608.64
  5. Step 5: Solve for x
    x = 178,264,608.64/14,937.60
  6. Step 6: Final answer
    x = 11,933.95

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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.