Home / 33,130.16-45,717.24-18,982.64

Finding the Fourth Proportional to 33,130.16, 45,717.24 and 18,982.64

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Solution

The fourth proportional to 33,130.16, 45,717.24 and 18,982.64 is: 26,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.16 : 45,717.24 = 18,982.64 : x
  2. Step 2: Convert to fraction form
    33,130.16/45,717.24 = 18,982.64/x
  3. Step 3: Cross multiply
    33,130.16x = 45,717.24 × 18,982.64
  4. Step 4: Simplify right side
    33,130.16x = 867,833,908.71
  5. Step 5: Solve for x
    x = 867,833,908.71/33,130.16
  6. Step 6: Final answer
    x = 26,194.68

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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.