Home / 16,987.48-25,448.07-11,126.32

Finding the Fourth Proportional to 16,987.48, 25,448.07 and 11,126.32

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Solution

The fourth proportional to 16,987.48, 25,448.07 and 11,126.32 is: 16,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.48 : 25,448.07 = 11,126.32 : x
  2. Step 2: Convert to fraction form
    16,987.48/25,448.07 = 11,126.32/x
  3. Step 3: Cross multiply
    16,987.48x = 25,448.07 × 11,126.32
  4. Step 4: Simplify right side
    16,987.48x = 283,143,370.20
  5. Step 5: Solve for x
    x = 283,143,370.20/16,987.48
  6. Step 6: Final answer
    x = 16,667.77

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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.