Home / 18,521.50-25,554.62-10,560.82

Finding the Fourth Proportional to 18,521.50, 25,554.62 and 10,560.82

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Solution

The fourth proportional to 18,521.50, 25,554.62 and 10,560.82 is: 14,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.50 : 25,554.62 = 10,560.82 : x
  2. Step 2: Convert to fraction form
    18,521.50/25,554.62 = 10,560.82/x
  3. Step 3: Cross multiply
    18,521.50x = 25,554.62 × 10,560.82
  4. Step 4: Simplify right side
    18,521.50x = 269,877,741.99
  5. Step 5: Solve for x
    x = 269,877,741.99/18,521.50
  6. Step 6: Final answer
    x = 14,571.05

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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.