Home / 15,601.20-21,485.88-14,600.58

Finding the Fourth Proportional to 15,601.20, 21,485.88 and 14,600.58

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Solution

The fourth proportional to 15,601.20, 21,485.88 and 14,600.58 is: 20,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.20 : 21,485.88 = 14,600.58 : x
  2. Step 2: Convert to fraction form
    15,601.20/21,485.88 = 14,600.58/x
  3. Step 3: Cross multiply
    15,601.20x = 21,485.88 × 14,600.58
  4. Step 4: Simplify right side
    15,601.20x = 313,706,309.81
  5. Step 5: Solve for x
    x = 313,706,309.81/15,601.20
  6. Step 6: Final answer
    x = 20,107.83

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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.