Home / 14,382.54-21,559.20-10,912.50

Finding the Fourth Proportional to 14,382.54, 21,559.20 and 10,912.50

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Solution

The fourth proportional to 14,382.54, 21,559.20 and 10,912.50 is: 16,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.54 : 21,559.20 = 10,912.50 : x
  2. Step 2: Convert to fraction form
    14,382.54/21,559.20 = 10,912.50/x
  3. Step 3: Cross multiply
    14,382.54x = 21,559.20 × 10,912.50
  4. Step 4: Simplify right side
    14,382.54x = 235,264,770
  5. Step 5: Solve for x
    x = 235,264,770/14,382.54
  6. Step 6: Final answer
    x = 16,357.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.