Home / 13,470.29-18,594.73-8,433.37

Finding the Fourth Proportional to 13,470.29, 18,594.73 and 8,433.37

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Solution

The fourth proportional to 13,470.29, 18,594.73 and 8,433.37 is: 11,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.29 : 18,594.73 = 8,433.37 : x
  2. Step 2: Convert to fraction form
    13,470.29/18,594.73 = 8,433.37/x
  3. Step 3: Cross multiply
    13,470.29x = 18,594.73 × 8,433.37
  4. Step 4: Simplify right side
    13,470.29x = 156,816,238.14
  5. Step 5: Solve for x
    x = 156,816,238.14/13,470.29
  6. Step 6: Final answer
    x = 11,641.64

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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.