Home / 18,820.58-25,972.22-10,322.53

Finding the Fourth Proportional to 18,820.58, 25,972.22 and 10,322.53

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Solution

The fourth proportional to 18,820.58, 25,972.22 and 10,322.53 is: 14,244.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.58 : 25,972.22 = 10,322.53 : x
  2. Step 2: Convert to fraction form
    18,820.58/25,972.22 = 10,322.53/x
  3. Step 3: Cross multiply
    18,820.58x = 25,972.22 × 10,322.53
  4. Step 4: Simplify right side
    18,820.58x = 268,098,915.44
  5. Step 5: Solve for x
    x = 268,098,915.44/18,820.58
  6. Step 6: Final answer
    x = 14,244.99

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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.