Home / 33,316.53-45,975.43-18,209.68

Finding the Fourth Proportional to 33,316.53, 45,975.43 and 18,209.68

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Solution

The fourth proportional to 33,316.53, 45,975.43 and 18,209.68 is: 25,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.53 : 45,975.43 = 18,209.68 : x
  2. Step 2: Convert to fraction form
    33,316.53/45,975.43 = 18,209.68/x
  3. Step 3: Cross multiply
    33,316.53x = 45,975.43 × 18,209.68
  4. Step 4: Simplify right side
    33,316.53x = 837,197,868.16
  5. Step 5: Solve for x
    x = 837,197,868.16/33,316.53
  6. Step 6: Final answer
    x = 25,128.60

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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.