Home / 22,999.10-31,735.91-13,310.22

Finding the Fourth Proportional to 22,999.10, 31,735.91 and 13,310.22

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Solution

The fourth proportional to 22,999.10, 31,735.91 and 13,310.22 is: 18,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.10 : 31,735.91 = 13,310.22 : x
  2. Step 2: Convert to fraction form
    22,999.10/31,735.91 = 13,310.22/x
  3. Step 3: Cross multiply
    22,999.10x = 31,735.91 × 13,310.22
  4. Step 4: Simplify right side
    22,999.10x = 422,411,718.77
  5. Step 5: Solve for x
    x = 422,411,718.77/22,999.10
  6. Step 6: Final answer
    x = 18,366.45

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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.