Home / 15,922.96-21,967.14-10,256.74

Finding the Fourth Proportional to 15,922.96, 21,967.14 and 10,256.74

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Solution

The fourth proportional to 15,922.96, 21,967.14 and 10,256.74 is: 14,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.96 : 21,967.14 = 10,256.74 : x
  2. Step 2: Convert to fraction form
    15,922.96/21,967.14 = 10,256.74/x
  3. Step 3: Cross multiply
    15,922.96x = 21,967.14 × 10,256.74
  4. Step 4: Simplify right side
    15,922.96x = 225,311,243.52
  5. Step 5: Solve for x
    x = 225,311,243.52/15,922.96
  6. Step 6: Final answer
    x = 14,150.09

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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.