Home / 33,106.64-45,686.98-18,769.18

Finding the Fourth Proportional to 33,106.64, 45,686.98 and 18,769.18

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Solution

The fourth proportional to 33,106.64, 45,686.98 and 18,769.18 is: 25,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.64 : 45,686.98 = 18,769.18 : x
  2. Step 2: Convert to fraction form
    33,106.64/45,686.98 = 18,769.18/x
  3. Step 3: Cross multiply
    33,106.64x = 45,686.98 × 18,769.18
  4. Step 4: Simplify right side
    33,106.64x = 857,507,151.28
  5. Step 5: Solve for x
    x = 857,507,151.28/33,106.64
  6. Step 6: Final answer
    x = 25,901.36

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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.