Home / 14,117.80-21,176.70-3,730.60

Finding the Fourth Proportional to 14,117.80, 21,176.70 and 3,730.60

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Solution

The fourth proportional to 14,117.80, 21,176.70 and 3,730.60 is: 5,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.80 : 21,176.70 = 3,730.60 : x
  2. Step 2: Convert to fraction form
    14,117.80/21,176.70 = 3,730.60/x
  3. Step 3: Cross multiply
    14,117.80x = 21,176.70 × 3,730.60
  4. Step 4: Simplify right side
    14,117.80x = 79,001,797.02
  5. Step 5: Solve for x
    x = 79,001,797.02/14,117.80
  6. Step 6: Final answer
    x = 5,595.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.