Home / 17,679.04-26,518.80-7,291.84

Finding the Fourth Proportional to 17,679.04, 26,518.80 and 7,291.84

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Solution

The fourth proportional to 17,679.04, 26,518.80 and 7,291.84 is: 10,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.04 : 26,518.80 = 7,291.84 : x
  2. Step 2: Convert to fraction form
    17,679.04/26,518.80 = 7,291.84/x
  3. Step 3: Cross multiply
    17,679.04x = 26,518.80 × 7,291.84
  4. Step 4: Simplify right side
    17,679.04x = 193,370,846.59
  5. Step 5: Solve for x
    x = 193,370,846.59/17,679.04
  6. Step 6: Final answer
    x = 10,937.86

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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.