Home / 33,293.79-45,945.18-18,186.45

Finding the Fourth Proportional to 33,293.79, 45,945.18 and 18,186.45

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Solution

The fourth proportional to 33,293.79, 45,945.18 and 18,186.45 is: 25,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,293.79 : 45,945.18 = 18,186.45 : x
  2. Step 2: Convert to fraction form
    33,293.79/45,945.18 = 18,186.45/x
  3. Step 3: Cross multiply
    33,293.79x = 45,945.18 × 18,186.45
  4. Step 4: Simplify right side
    33,293.79x = 835,579,718.81
  5. Step 5: Solve for x
    x = 835,579,718.81/33,293.79
  6. Step 6: Final answer
    x = 25,097.16

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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.