Home / 19,114.26-28,642.23-8,713.86

Finding the Fourth Proportional to 19,114.26, 28,642.23 and 8,713.86

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Solution

The fourth proportional to 19,114.26, 28,642.23 and 8,713.86 is: 13,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.26 : 28,642.23 = 8,713.86 : x
  2. Step 2: Convert to fraction form
    19,114.26/28,642.23 = 8,713.86/x
  3. Step 3: Cross multiply
    19,114.26x = 28,642.23 × 8,713.86
  4. Step 4: Simplify right side
    19,114.26x = 249,584,382.31
  5. Step 5: Solve for x
    x = 249,584,382.31/19,114.26
  6. Step 6: Final answer
    x = 13,057.50

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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.