Home / 15,995.56-22,073.78-9,285.08

Finding the Fourth Proportional to 15,995.56, 22,073.78 and 9,285.08

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Solution

The fourth proportional to 15,995.56, 22,073.78 and 9,285.08 is: 12,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.56 : 22,073.78 = 9,285.08 : x
  2. Step 2: Convert to fraction form
    15,995.56/22,073.78 = 9,285.08/x
  3. Step 3: Cross multiply
    15,995.56x = 22,073.78 × 9,285.08
  4. Step 4: Simplify right side
    15,995.56x = 204,956,813.20
  5. Step 5: Solve for x
    x = 204,956,813.20/15,995.56
  6. Step 6: Final answer
    x = 12,813.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.