Home / 22,330.22-30,814.59-12,898.22

Finding the Fourth Proportional to 22,330.22, 30,814.59 and 12,898.22

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Solution

The fourth proportional to 22,330.22, 30,814.59 and 12,898.22 is: 17,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.22 : 30,814.59 = 12,898.22 : x
  2. Step 2: Convert to fraction form
    22,330.22/30,814.59 = 12,898.22/x
  3. Step 3: Cross multiply
    22,330.22x = 30,814.59 × 12,898.22
  4. Step 4: Simplify right side
    22,330.22x = 397,453,361.03
  5. Step 5: Solve for x
    x = 397,453,361.03/22,330.22
  6. Step 6: Final answer
    x = 17,798.90

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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.