Home / 20,476.24-30,710.93-5,686.65

Finding the Fourth Proportional to 20,476.24, 30,710.93 and 5,686.65

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Solution

The fourth proportional to 20,476.24, 30,710.93 and 5,686.65 is: 8,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.24 : 30,710.93 = 5,686.65 : x
  2. Step 2: Convert to fraction form
    20,476.24/30,710.93 = 5,686.65/x
  3. Step 3: Cross multiply
    20,476.24x = 30,710.93 × 5,686.65
  4. Step 4: Simplify right side
    20,476.24x = 174,642,310.08
  5. Step 5: Solve for x
    x = 174,642,310.08/20,476.24
  6. Step 6: Final answer
    x = 8,529.02

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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.