Home / 13,188.24-19,786.50-5,798.91

Finding the Fourth Proportional to 13,188.24, 19,786.50 and 5,798.91

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Solution

The fourth proportional to 13,188.24, 19,786.50 and 5,798.91 is: 8,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.24 : 19,786.50 = 5,798.91 : x
  2. Step 2: Convert to fraction form
    13,188.24/19,786.50 = 5,798.91/x
  3. Step 3: Cross multiply
    13,188.24x = 19,786.50 × 5,798.91
  4. Step 4: Simplify right side
    13,188.24x = 114,740,132.72
  5. Step 5: Solve for x
    x = 114,740,132.72/13,188.24
  6. Step 6: Final answer
    x = 8,700.19

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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.