Home / 16,322.78-22,522.35-15,492.33

Finding the Fourth Proportional to 16,322.78, 22,522.35 and 15,492.33

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Solution

The fourth proportional to 16,322.78, 22,522.35 and 15,492.33 is: 21,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,322.78 : 22,522.35 = 15,492.33 : x
  2. Step 2: Convert to fraction form
    16,322.78/22,522.35 = 15,492.33/x
  3. Step 3: Cross multiply
    16,322.78x = 22,522.35 × 15,492.33
  4. Step 4: Simplify right side
    16,322.78x = 348,923,736.67
  5. Step 5: Solve for x
    x = 348,923,736.67/16,322.78
  6. Step 6: Final answer
    x = 21,376.49

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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.