Home / 14,527.80-20,049.72-8,561.32

Finding the Fourth Proportional to 14,527.80, 20,049.72 and 8,561.32

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Solution

The fourth proportional to 14,527.80, 20,049.72 and 8,561.32 is: 11,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.80 : 20,049.72 = 8,561.32 : x
  2. Step 2: Convert to fraction form
    14,527.80/20,049.72 = 8,561.32/x
  3. Step 3: Cross multiply
    14,527.80x = 20,049.72 × 8,561.32
  4. Step 4: Simplify right side
    14,527.80x = 171,652,068.83
  5. Step 5: Solve for x
    x = 171,652,068.83/14,527.80
  6. Step 6: Final answer
    x = 11,815.42

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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.