Home / 19,226.26-28,855.60-7,547.68

Finding the Fourth Proportional to 19,226.26, 28,855.60 and 7,547.68

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Solution

The fourth proportional to 19,226.26, 28,855.60 and 7,547.68 is: 11,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.26 : 28,855.60 = 7,547.68 : x
  2. Step 2: Convert to fraction form
    19,226.26/28,855.60 = 7,547.68/x
  3. Step 3: Cross multiply
    19,226.26x = 28,855.60 × 7,547.68
  4. Step 4: Simplify right side
    19,226.26x = 217,792,835.01
  5. Step 5: Solve for x
    x = 217,792,835.01/19,226.26
  6. Step 6: Final answer
    x = 11,327.88

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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.