Home / 17,687.32-26,532.64-5,207.34

Finding the Fourth Proportional to 17,687.32, 26,532.64 and 5,207.34

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Solution

The fourth proportional to 17,687.32, 26,532.64 and 5,207.34 is: 7,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.32 : 26,532.64 = 5,207.34 : x
  2. Step 2: Convert to fraction form
    17,687.32/26,532.64 = 5,207.34/x
  3. Step 3: Cross multiply
    17,687.32x = 26,532.64 × 5,207.34
  4. Step 4: Simplify right side
    17,687.32x = 138,164,477.58
  5. Step 5: Solve for x
    x = 138,164,477.58/17,687.32
  6. Step 6: Final answer
    x = 7,811.50

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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.