Home / 17,280.72-25,924.40-11,966.32

Finding the Fourth Proportional to 17,280.72, 25,924.40 and 11,966.32

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Solution

The fourth proportional to 17,280.72, 25,924.40 and 11,966.32 is: 17,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.72 : 25,924.40 = 11,966.32 : x
  2. Step 2: Convert to fraction form
    17,280.72/25,924.40 = 11,966.32/x
  3. Step 3: Cross multiply
    17,280.72x = 25,924.40 × 11,966.32
  4. Step 4: Simplify right side
    17,280.72x = 310,219,666.21
  5. Step 5: Solve for x
    x = 310,219,666.21/17,280.72
  6. Step 6: Final answer
    x = 17,951.78

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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.