Home / 22,563.57-31,137.97-12,492.16

Finding the Fourth Proportional to 22,563.57, 31,137.97 and 12,492.16

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Solution

The fourth proportional to 22,563.57, 31,137.97 and 12,492.16 is: 17,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,563.57 : 31,137.97 = 12,492.16 : x
  2. Step 2: Convert to fraction form
    22,563.57/31,137.97 = 12,492.16/x
  3. Step 3: Cross multiply
    22,563.57x = 31,137.97 × 12,492.16
  4. Step 4: Simplify right side
    22,563.57x = 388,980,503.32
  5. Step 5: Solve for x
    x = 388,980,503.32/22,563.57
  6. Step 6: Final answer
    x = 17,239.32

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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.