Home / 33,105.16-45,682.74-18,957.64

Finding the Fourth Proportional to 33,105.16, 45,682.74 and 18,957.64

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Solution

The fourth proportional to 33,105.16, 45,682.74 and 18,957.64 is: 26,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.16 : 45,682.74 = 18,957.64 : x
  2. Step 2: Convert to fraction form
    33,105.16/45,682.74 = 18,957.64/x
  3. Step 3: Cross multiply
    33,105.16x = 45,682.74 × 18,957.64
  4. Step 4: Simplify right side
    33,105.16x = 866,036,939.13
  5. Step 5: Solve for x
    x = 866,036,939.13/33,105.16
  6. Step 6: Final answer
    x = 26,160.18

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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.