Home / 19,154.14-28,722.08-6,672.63

Finding the Fourth Proportional to 19,154.14, 28,722.08 and 6,672.63

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Solution

The fourth proportional to 19,154.14, 28,722.08 and 6,672.63 is: 10,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.14 : 28,722.08 = 6,672.63 : x
  2. Step 2: Convert to fraction form
    19,154.14/28,722.08 = 6,672.63/x
  3. Step 3: Cross multiply
    19,154.14x = 28,722.08 × 6,672.63
  4. Step 4: Simplify right side
    19,154.14x = 191,651,737.96
  5. Step 5: Solve for x
    x = 191,651,737.96/19,154.14
  6. Step 6: Final answer
    x = 10,005.76

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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.