Home / 14,737.54-20,338.86-8,277.70

Finding the Fourth Proportional to 14,737.54, 20,338.86 and 8,277.70

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Solution

The fourth proportional to 14,737.54, 20,338.86 and 8,277.70 is: 11,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.54 : 20,338.86 = 8,277.70 : x
  2. Step 2: Convert to fraction form
    14,737.54/20,338.86 = 8,277.70/x
  3. Step 3: Cross multiply
    14,737.54x = 20,338.86 × 8,277.70
  4. Step 4: Simplify right side
    14,737.54x = 168,358,981.42
  5. Step 5: Solve for x
    x = 168,358,981.42/14,737.54
  6. Step 6: Final answer
    x = 11,423.82

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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.