Home / 13,674.60-20,513.52-4,907.16

Finding the Fourth Proportional to 13,674.60, 20,513.52 and 4,907.16

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Solution

The fourth proportional to 13,674.60, 20,513.52 and 4,907.16 is: 7,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.60 : 20,513.52 = 4,907.16 : x
  2. Step 2: Convert to fraction form
    13,674.60/20,513.52 = 4,907.16/x
  3. Step 3: Cross multiply
    13,674.60x = 20,513.52 × 4,907.16
  4. Step 4: Simplify right side
    13,674.60x = 100,663,124.80
  5. Step 5: Solve for x
    x = 100,663,124.80/13,674.60
  6. Step 6: Final answer
    x = 7,361.32

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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.