Home / 15,642.92-21,586.38-8,568.02

Finding the Fourth Proportional to 15,642.92, 21,586.38 and 8,568.02

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Solution

The fourth proportional to 15,642.92, 21,586.38 and 8,568.02 is: 11,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.92 : 21,586.38 = 8,568.02 : x
  2. Step 2: Convert to fraction form
    15,642.92/21,586.38 = 8,568.02/x
  3. Step 3: Cross multiply
    15,642.92x = 21,586.38 × 8,568.02
  4. Step 4: Simplify right side
    15,642.92x = 184,952,535.57
  5. Step 5: Solve for x
    x = 184,952,535.57/15,642.92
  6. Step 6: Final answer
    x = 11,823.40

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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.