Home / 15,873.20-21,923.70-10,558.52

Finding the Fourth Proportional to 15,873.20, 21,923.70 and 10,558.52

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Solution

The fourth proportional to 15,873.20, 21,923.70 and 10,558.52 is: 14,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.20 : 21,923.70 = 10,558.52 : x
  2. Step 2: Convert to fraction form
    15,873.20/21,923.70 = 10,558.52/x
  3. Step 3: Cross multiply
    15,873.20x = 21,923.70 × 10,558.52
  4. Step 4: Simplify right side
    15,873.20x = 231,481,824.92
  5. Step 5: Solve for x
    x = 231,481,824.92/15,873.20
  6. Step 6: Final answer
    x = 14,583.19

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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.