Home / 14,543.60-20,063.84-9,162.77

Finding the Fourth Proportional to 14,543.60, 20,063.84 and 9,162.77

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Solution

The fourth proportional to 14,543.60, 20,063.84 and 9,162.77 is: 12,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.60 : 20,063.84 = 9,162.77 : x
  2. Step 2: Convert to fraction form
    14,543.60/20,063.84 = 9,162.77/x
  3. Step 3: Cross multiply
    14,543.60x = 20,063.84 × 9,162.77
  4. Step 4: Simplify right side
    14,543.60x = 183,840,205.10
  5. Step 5: Solve for x
    x = 183,840,205.10/14,543.60
  6. Step 6: Final answer
    x = 12,640.63

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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.