Home / 17,209.04-25,811.12-5,520.74

Finding the Fourth Proportional to 17,209.04, 25,811.12 and 5,520.74

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Solution

The fourth proportional to 17,209.04, 25,811.12 and 5,520.74 is: 8,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.04 : 25,811.12 = 5,520.74 : x
  2. Step 2: Convert to fraction form
    17,209.04/25,811.12 = 5,520.74/x
  3. Step 3: Cross multiply
    17,209.04x = 25,811.12 × 5,520.74
  4. Step 4: Simplify right side
    17,209.04x = 142,496,482.63
  5. Step 5: Solve for x
    x = 142,496,482.63/17,209.04
  6. Step 6: Final answer
    x = 8,280.33

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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.