Home / 22,736.16-31,385.56-15,288.48

Finding the Fourth Proportional to 22,736.16, 31,385.56 and 15,288.48

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Solution

The fourth proportional to 22,736.16, 31,385.56 and 15,288.48 is: 21,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.16 : 31,385.56 = 15,288.48 : x
  2. Step 2: Convert to fraction form
    22,736.16/31,385.56 = 15,288.48/x
  3. Step 3: Cross multiply
    22,736.16x = 31,385.56 × 15,288.48
  4. Step 4: Simplify right side
    22,736.16x = 479,837,506.35
  5. Step 5: Solve for x
    x = 479,837,506.35/22,736.16
  6. Step 6: Final answer
    x = 21,104.60

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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.