Home / 17,225.16-23,783.94-12,520.68

Finding the Fourth Proportional to 17,225.16, 23,783.94 and 12,520.68

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Solution

The fourth proportional to 17,225.16, 23,783.94 and 12,520.68 is: 17,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225.16 : 23,783.94 = 12,520.68 : x
  2. Step 2: Convert to fraction form
    17,225.16/23,783.94 = 12,520.68/x
  3. Step 3: Cross multiply
    17,225.16x = 23,783.94 × 12,520.68
  4. Step 4: Simplify right side
    17,225.16x = 297,791,101.88
  5. Step 5: Solve for x
    x = 297,791,101.88/17,225.16
  6. Step 6: Final answer
    x = 17,288.15

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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.