Home / 35,568.96-53,340.64-12,189.12

Finding the Fourth Proportional to 35,568.96, 53,340.64 and 12,189.12

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Solution

The fourth proportional to 35,568.96, 53,340.64 and 12,189.12 is: 18,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,568.96 : 53,340.64 = 12,189.12 : x
  2. Step 2: Convert to fraction form
    35,568.96/53,340.64 = 12,189.12/x
  3. Step 3: Cross multiply
    35,568.96x = 53,340.64 × 12,189.12
  4. Step 4: Simplify right side
    35,568.96x = 650,175,461.84
  5. Step 5: Solve for x
    x = 650,175,461.84/35,568.96
  6. Step 6: Final answer
    x = 18,279.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.