Home / 13,169.26-19,753.90-5,275.34

Finding the Fourth Proportional to 13,169.26, 19,753.90 and 5,275.34

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Solution

The fourth proportional to 13,169.26, 19,753.90 and 5,275.34 is: 7,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.26 : 19,753.90 = 5,275.34 : x
  2. Step 2: Convert to fraction form
    13,169.26/19,753.90 = 5,275.34/x
  3. Step 3: Cross multiply
    13,169.26x = 19,753.90 × 5,275.34
  4. Step 4: Simplify right side
    13,169.26x = 104,208,538.83
  5. Step 5: Solve for x
    x = 104,208,538.83/13,169.26
  6. Step 6: Final answer
    x = 7,913.01

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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.