Home / 17,686.21-26,529.33-4,538.59

Finding the Fourth Proportional to 17,686.21, 26,529.33 and 4,538.59

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Solution

The fourth proportional to 17,686.21, 26,529.33 and 4,538.59 is: 6,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.21 : 26,529.33 = 4,538.59 : x
  2. Step 2: Convert to fraction form
    17,686.21/26,529.33 = 4,538.59/x
  3. Step 3: Cross multiply
    17,686.21x = 26,529.33 × 4,538.59
  4. Step 4: Simplify right side
    17,686.21x = 120,405,751.84
  5. Step 5: Solve for x
    x = 120,405,751.84/17,686.21
  6. Step 6: Final answer
    x = 6,807.89

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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.