Home / 19,940.45-27,492.26-16,342.16

Finding the Fourth Proportional to 19,940.45, 27,492.26 and 16,342.16

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Solution

The fourth proportional to 19,940.45, 27,492.26 and 16,342.16 is: 22,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.45 : 27,492.26 = 16,342.16 : x
  2. Step 2: Convert to fraction form
    19,940.45/27,492.26 = 16,342.16/x
  3. Step 3: Cross multiply
    19,940.45x = 27,492.26 × 16,342.16
  4. Step 4: Simplify right side
    19,940.45x = 449,282,692.51
  5. Step 5: Solve for x
    x = 449,282,692.51/19,940.45
  6. Step 6: Final answer
    x = 22,531.23

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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.