Home / 33,638.09-46,420.29-18,532.40

Finding the Fourth Proportional to 33,638.09, 46,420.29 and 18,532.40

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Solution

The fourth proportional to 33,638.09, 46,420.29 and 18,532.40 is: 25,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.09 : 46,420.29 = 18,532.40 : x
  2. Step 2: Convert to fraction form
    33,638.09/46,420.29 = 18,532.40/x
  3. Step 3: Cross multiply
    33,638.09x = 46,420.29 × 18,532.40
  4. Step 4: Simplify right side
    33,638.09x = 860,279,150.29
  5. Step 5: Solve for x
    x = 860,279,150.29/33,638.09
  6. Step 6: Final answer
    x = 25,574.56

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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.