Home / 13,909.08-19,194.53-7,535.71

Finding the Fourth Proportional to 13,909.08, 19,194.53 and 7,535.71

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Solution

The fourth proportional to 13,909.08, 19,194.53 and 7,535.71 is: 10,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.08 : 19,194.53 = 7,535.71 : x
  2. Step 2: Convert to fraction form
    13,909.08/19,194.53 = 7,535.71/x
  3. Step 3: Cross multiply
    13,909.08x = 19,194.53 × 7,535.71
  4. Step 4: Simplify right side
    13,909.08x = 144,644,488.08
  5. Step 5: Solve for x
    x = 144,644,488.08/13,909.08
  6. Step 6: Final answer
    x = 10,399.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.