Home / 19,005.10-28,507.65-18,097.90

Finding the Fourth Proportional to 19,005.10, 28,507.65 and 18,097.90

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Solution

The fourth proportional to 19,005.10, 28,507.65 and 18,097.90 is: 27,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.10 : 28,507.65 = 18,097.90 : x
  2. Step 2: Convert to fraction form
    19,005.10/28,507.65 = 18,097.90/x
  3. Step 3: Cross multiply
    19,005.10x = 28,507.65 × 18,097.90
  4. Step 4: Simplify right side
    19,005.10x = 515,928,598.94
  5. Step 5: Solve for x
    x = 515,928,598.94/19,005.10
  6. Step 6: Final answer
    x = 27,146.85

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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.