Home / 28,674.10-39,568.40-17,349.84

Finding the Fourth Proportional to 28,674.10, 39,568.40 and 17,349.84

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Solution

The fourth proportional to 28,674.10, 39,568.40 and 17,349.84 is: 23,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674.10 : 39,568.40 = 17,349.84 : x
  2. Step 2: Convert to fraction form
    28,674.10/39,568.40 = 17,349.84/x
  3. Step 3: Cross multiply
    28,674.10x = 39,568.40 × 17,349.84
  4. Step 4: Simplify right side
    28,674.10x = 686,505,409.06
  5. Step 5: Solve for x
    x = 686,505,409.06/28,674.10
  6. Step 6: Final answer
    x = 23,941.65

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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.