Home / 17,071.32-25,606.99-5,385.45

Finding the Fourth Proportional to 17,071.32, 25,606.99 and 5,385.45

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Solution

The fourth proportional to 17,071.32, 25,606.99 and 5,385.45 is: 8,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.32 : 25,606.99 = 5,385.45 : x
  2. Step 2: Convert to fraction form
    17,071.32/25,606.99 = 5,385.45/x
  3. Step 3: Cross multiply
    17,071.32x = 25,606.99 × 5,385.45
  4. Step 4: Simplify right side
    17,071.32x = 137,905,164.30
  5. Step 5: Solve for x
    x = 137,905,164.30/17,071.32
  6. Step 6: Final answer
    x = 8,078.18

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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.