Home / 22,981.56-31,727.85-15,037.64

Finding the Fourth Proportional to 22,981.56, 31,727.85 and 15,037.64

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Solution

The fourth proportional to 22,981.56, 31,727.85 and 15,037.64 is: 20,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.56 : 31,727.85 = 15,037.64 : x
  2. Step 2: Convert to fraction form
    22,981.56/31,727.85 = 15,037.64/x
  3. Step 3: Cross multiply
    22,981.56x = 31,727.85 × 15,037.64
  4. Step 4: Simplify right side
    22,981.56x = 477,111,986.27
  5. Step 5: Solve for x
    x = 477,111,986.27/22,981.56
  6. Step 6: Final answer
    x = 20,760.64

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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.