Home / 13,399.60-18,470.13-10,562.37

Finding the Fourth Proportional to 13,399.60, 18,470.13 and 10,562.37

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Solution

The fourth proportional to 13,399.60, 18,470.13 and 10,562.37 is: 14,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.60 : 18,470.13 = 10,562.37 : x
  2. Step 2: Convert to fraction form
    13,399.60/18,470.13 = 10,562.37/x
  3. Step 3: Cross multiply
    13,399.60x = 18,470.13 × 10,562.37
  4. Step 4: Simplify right side
    13,399.60x = 195,088,347.01
  5. Step 5: Solve for x
    x = 195,088,347.01/13,399.60
  6. Step 6: Final answer
    x = 14,559.27

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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.