Home / 18,924.54-28,379.25-9,056.58

Finding the Fourth Proportional to 18,924.54, 28,379.25 and 9,056.58

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Solution

The fourth proportional to 18,924.54, 28,379.25 and 9,056.58 is: 13,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.54 : 28,379.25 = 9,056.58 : x
  2. Step 2: Convert to fraction form
    18,924.54/28,379.25 = 9,056.58/x
  3. Step 3: Cross multiply
    18,924.54x = 28,379.25 × 9,056.58
  4. Step 4: Simplify right side
    18,924.54x = 257,018,947.97
  5. Step 5: Solve for x
    x = 257,018,947.97/18,924.54
  6. Step 6: Final answer
    x = 13,581.25

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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.