Home / 14,406.44-19,872.86-8,436.96

Finding the Fourth Proportional to 14,406.44, 19,872.86 and 8,436.96

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Solution

The fourth proportional to 14,406.44, 19,872.86 and 8,436.96 is: 11,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.44 : 19,872.86 = 8,436.96 : x
  2. Step 2: Convert to fraction form
    14,406.44/19,872.86 = 8,436.96/x
  3. Step 3: Cross multiply
    14,406.44x = 19,872.86 × 8,436.96
  4. Step 4: Simplify right side
    14,406.44x = 167,666,482.72
  5. Step 5: Solve for x
    x = 167,666,482.72/14,406.44
  6. Step 6: Final answer
    x = 11,638.30

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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.