Home / 19,155.65-28,724.18-6,676.38

Finding the Fourth Proportional to 19,155.65, 28,724.18 and 6,676.38

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Solution

The fourth proportional to 19,155.65, 28,724.18 and 6,676.38 is: 10,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.65 : 28,724.18 = 6,676.38 : x
  2. Step 2: Convert to fraction form
    19,155.65/28,724.18 = 6,676.38/x
  3. Step 3: Cross multiply
    19,155.65x = 28,724.18 × 6,676.38
  4. Step 4: Simplify right side
    19,155.65x = 191,773,507.49
  5. Step 5: Solve for x
    x = 191,773,507.49/19,155.65
  6. Step 6: Final answer
    x = 10,011.33

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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.