Home / 22,374.60-30,874.54-12,941.32

Finding the Fourth Proportional to 22,374.60, 30,874.54 and 12,941.32

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Solution

The fourth proportional to 22,374.60, 30,874.54 and 12,941.32 is: 17,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.60 : 30,874.54 = 12,941.32 : x
  2. Step 2: Convert to fraction form
    22,374.60/30,874.54 = 12,941.32/x
  3. Step 3: Cross multiply
    22,374.60x = 30,874.54 × 12,941.32
  4. Step 4: Simplify right side
    22,374.60x = 399,557,301.99
  5. Step 5: Solve for x
    x = 399,557,301.99/22,374.60
  6. Step 6: Final answer
    x = 17,857.63

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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.