Home / 15,250.24-21,043.56-8,536.24

Finding the Fourth Proportional to 15,250.24, 21,043.56 and 8,536.24

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Solution

The fourth proportional to 15,250.24, 21,043.56 and 8,536.24 is: 11,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.24 : 21,043.56 = 8,536.24 : x
  2. Step 2: Convert to fraction form
    15,250.24/21,043.56 = 8,536.24/x
  3. Step 3: Cross multiply
    15,250.24x = 21,043.56 × 8,536.24
  4. Step 4: Simplify right side
    15,250.24x = 179,632,878.61
  5. Step 5: Solve for x
    x = 179,632,878.61/15,250.24
  6. Step 6: Final answer
    x = 11,779.02

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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.