Home / 17,587.42-26,399.36-11,784.58

Finding the Fourth Proportional to 17,587.42, 26,399.36 and 11,784.58

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Solution

The fourth proportional to 17,587.42, 26,399.36 and 11,784.58 is: 17,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.42 : 26,399.36 = 11,784.58 : x
  2. Step 2: Convert to fraction form
    17,587.42/26,399.36 = 11,784.58/x
  3. Step 3: Cross multiply
    17,587.42x = 26,399.36 × 11,784.58
  4. Step 4: Simplify right side
    17,587.42x = 311,105,369.87
  5. Step 5: Solve for x
    x = 311,105,369.87/17,587.42
  6. Step 6: Final answer
    x = 17,689.09

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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.