Home / 22,421.53-30,941.91-12,350.32

Finding the Fourth Proportional to 22,421.53, 30,941.91 and 12,350.32

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Solution

The fourth proportional to 22,421.53, 30,941.91 and 12,350.32 is: 17,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.53 : 30,941.91 = 12,350.32 : x
  2. Step 2: Convert to fraction form
    22,421.53/30,941.91 = 12,350.32/x
  3. Step 3: Cross multiply
    22,421.53x = 30,941.91 × 12,350.32
  4. Step 4: Simplify right side
    22,421.53x = 382,142,489.91
  5. Step 5: Solve for x
    x = 382,142,489.91/22,421.53
  6. Step 6: Final answer
    x = 17,043.55

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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.