Home / 15,642.24-21,586.52-8,568.52

Finding the Fourth Proportional to 15,642.24, 21,586.52 and 8,568.52

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Solution

The fourth proportional to 15,642.24, 21,586.52 and 8,568.52 is: 11,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.24 : 21,586.52 = 8,568.52 : x
  2. Step 2: Convert to fraction form
    15,642.24/21,586.52 = 8,568.52/x
  3. Step 3: Cross multiply
    15,642.24x = 21,586.52 × 8,568.52
  4. Step 4: Simplify right side
    15,642.24x = 184,964,528.35
  5. Step 5: Solve for x
    x = 184,964,528.35/15,642.24
  6. Step 6: Final answer
    x = 11,824.68

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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.