Home / 15,185.46-22,771.92-5,322.40

Finding the Fourth Proportional to 15,185.46, 22,771.92 and 5,322.40

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Solution

The fourth proportional to 15,185.46, 22,771.92 and 5,322.40 is: 7,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.46 : 22,771.92 = 5,322.40 : x
  2. Step 2: Convert to fraction form
    15,185.46/22,771.92 = 5,322.40/x
  3. Step 3: Cross multiply
    15,185.46x = 22,771.92 × 5,322.40
  4. Step 4: Simplify right side
    15,185.46x = 121,201,267.01
  5. Step 5: Solve for x
    x = 121,201,267.01/15,185.46
  6. Step 6: Final answer
    x = 7,981.40

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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.