Home / 19,272.10-28,911.39-6,123.46

Finding the Fourth Proportional to 19,272.10, 28,911.39 and 6,123.46

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Solution

The fourth proportional to 19,272.10, 28,911.39 and 6,123.46 is: 9,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.10 : 28,911.39 = 6,123.46 : x
  2. Step 2: Convert to fraction form
    19,272.10/28,911.39 = 6,123.46/x
  3. Step 3: Cross multiply
    19,272.10x = 28,911.39 × 6,123.46
  4. Step 4: Simplify right side
    19,272.10x = 177,037,740.21
  5. Step 5: Solve for x
    x = 177,037,740.21/19,272.10
  6. Step 6: Final answer
    x = 9,186.22

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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.