Home / 18,568.04-25,602.34-12,907.64

Finding the Fourth Proportional to 18,568.04, 25,602.34 and 12,907.64

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Solution

The fourth proportional to 18,568.04, 25,602.34 and 12,907.64 is: 17,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.04 : 25,602.34 = 12,907.64 : x
  2. Step 2: Convert to fraction form
    18,568.04/25,602.34 = 12,907.64/x
  3. Step 3: Cross multiply
    18,568.04x = 25,602.34 × 12,907.64
  4. Step 4: Simplify right side
    18,568.04x = 330,465,787.88
  5. Step 5: Solve for x
    x = 330,465,787.88/18,568.04
  6. Step 6: Final answer
    x = 17,797.56

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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.