Home / 15,517.37-21,424.68-14,525.93

Finding the Fourth Proportional to 15,517.37, 21,424.68 and 14,525.93

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Solution

The fourth proportional to 15,517.37, 21,424.68 and 14,525.93 is: 20,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.37 : 21,424.68 = 14,525.93 : x
  2. Step 2: Convert to fraction form
    15,517.37/21,424.68 = 14,525.93/x
  3. Step 3: Cross multiply
    15,517.37x = 21,424.68 × 14,525.93
  4. Step 4: Simplify right side
    15,517.37x = 311,213,294.83
  5. Step 5: Solve for x
    x = 311,213,294.83/15,517.37
  6. Step 6: Final answer
    x = 20,055.81

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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.