Home / 15,999.36-22,073.10-9,281.22

Finding the Fourth Proportional to 15,999.36, 22,073.10 and 9,281.22

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Solution

The fourth proportional to 15,999.36, 22,073.10 and 9,281.22 is: 12,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.36 : 22,073.10 = 9,281.22 : x
  2. Step 2: Convert to fraction form
    15,999.36/22,073.10 = 9,281.22/x
  3. Step 3: Cross multiply
    15,999.36x = 22,073.10 × 9,281.22
  4. Step 4: Simplify right side
    15,999.36x = 204,865,297.18
  5. Step 5: Solve for x
    x = 204,865,297.18/15,999.36
  6. Step 6: Final answer
    x = 12,804.59

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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.