Home / 15,867.75-21,892.50-10,563.42

Finding the Fourth Proportional to 15,867.75, 21,892.50 and 10,563.42

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Solution

The fourth proportional to 15,867.75, 21,892.50 and 10,563.42 is: 14,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.75 : 21,892.50 = 10,563.42 : x
  2. Step 2: Convert to fraction form
    15,867.75/21,892.50 = 10,563.42/x
  3. Step 3: Cross multiply
    15,867.75x = 21,892.50 × 10,563.42
  4. Step 4: Simplify right side
    15,867.75x = 231,259,672.35
  5. Step 5: Solve for x
    x = 231,259,672.35/15,867.75
  6. Step 6: Final answer
    x = 14,574.19

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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.