Home / 13,674.93-18,871.65-8,013.75

Finding the Fourth Proportional to 13,674.93, 18,871.65 and 8,013.75

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Solution

The fourth proportional to 13,674.93, 18,871.65 and 8,013.75 is: 11,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.93 : 18,871.65 = 8,013.75 : x
  2. Step 2: Convert to fraction form
    13,674.93/18,871.65 = 8,013.75/x
  3. Step 3: Cross multiply
    13,674.93x = 18,871.65 × 8,013.75
  4. Step 4: Simplify right side
    13,674.93x = 151,232,685.19
  5. Step 5: Solve for x
    x = 151,232,685.19/13,674.93
  6. Step 6: Final answer
    x = 11,059.12

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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.