Home / 13,975.64-20,966.34-9,522.36

Finding the Fourth Proportional to 13,975.64, 20,966.34 and 9,522.36

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Solution

The fourth proportional to 13,975.64, 20,966.34 and 9,522.36 is: 14,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.64 : 20,966.34 = 9,522.36 : x
  2. Step 2: Convert to fraction form
    13,975.64/20,966.34 = 9,522.36/x
  3. Step 3: Cross multiply
    13,975.64x = 20,966.34 × 9,522.36
  4. Step 4: Simplify right side
    13,975.64x = 199,649,073.07
  5. Step 5: Solve for x
    x = 199,649,073.07/13,975.64
  6. Step 6: Final answer
    x = 14,285.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.