Home / 33,111.28-45,694.02-18,964.13

Finding the Fourth Proportional to 33,111.28, 45,694.02 and 18,964.13

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Solution

The fourth proportional to 33,111.28, 45,694.02 and 18,964.13 is: 26,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.28 : 45,694.02 = 18,964.13 : x
  2. Step 2: Convert to fraction form
    33,111.28/45,694.02 = 18,964.13/x
  3. Step 3: Cross multiply
    33,111.28x = 45,694.02 × 18,964.13
  4. Step 4: Simplify right side
    33,111.28x = 866,547,178.15
  5. Step 5: Solve for x
    x = 866,547,178.15/33,111.28
  6. Step 6: Final answer
    x = 26,170.75

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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.