Home / 22,127.52-30,535.74-12,697.56

Finding the Fourth Proportional to 22,127.52, 30,535.74 and 12,697.56

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Solution

The fourth proportional to 22,127.52, 30,535.74 and 12,697.56 is: 17,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.52 : 30,535.74 = 12,697.56 : x
  2. Step 2: Convert to fraction form
    22,127.52/30,535.74 = 12,697.56/x
  3. Step 3: Cross multiply
    22,127.52x = 30,535.74 × 12,697.56
  4. Step 4: Simplify right side
    22,127.52x = 387,729,390.79
  5. Step 5: Solve for x
    x = 387,729,390.79/22,127.52
  6. Step 6: Final answer
    x = 17,522.50

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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.