Home / 33,166.64-45,762-18,823.28

Finding the Fourth Proportional to 33,166.64, 45,762 and 18,823.28

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Solution

The fourth proportional to 33,166.64, 45,762 and 18,823.28 is: 25,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,166.64 : 45,762 = 18,823.28 : x
  2. Step 2: Convert to fraction form
    33,166.64/45,762 = 18,823.28/x
  3. Step 3: Cross multiply
    33,166.64x = 45,762 × 18,823.28
  4. Step 4: Simplify right side
    33,166.64x = 861,390,939.36
  5. Step 5: Solve for x
    x = 861,390,939.36/33,166.64
  6. Step 6: Final answer
    x = 25,971.61

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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.