Home / 14,532.32-20,051.52-8,561.78

Finding the Fourth Proportional to 14,532.32, 20,051.52 and 8,561.78

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Solution

The fourth proportional to 14,532.32, 20,051.52 and 8,561.78 is: 11,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.32 : 20,051.52 = 8,561.78 : x
  2. Step 2: Convert to fraction form
    14,532.32/20,051.52 = 8,561.78/x
  3. Step 3: Cross multiply
    14,532.32x = 20,051.52 × 8,561.78
  4. Step 4: Simplify right side
    14,532.32x = 171,676,702.91
  5. Step 5: Solve for x
    x = 171,676,702.91/14,532.32
  6. Step 6: Final answer
    x = 11,813.44

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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.