Home / 13,587.58-18,752.07-7,997.50

Finding the Fourth Proportional to 13,587.58, 18,752.07 and 7,997.50

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Solution

The fourth proportional to 13,587.58, 18,752.07 and 7,997.50 is: 11,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.58 : 18,752.07 = 7,997.50 : x
  2. Step 2: Convert to fraction form
    13,587.58/18,752.07 = 7,997.50/x
  3. Step 3: Cross multiply
    13,587.58x = 18,752.07 × 7,997.50
  4. Step 4: Simplify right side
    13,587.58x = 149,969,679.83
  5. Step 5: Solve for x
    x = 149,969,679.83/13,587.58
  6. Step 6: Final answer
    x = 11,037.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.