Home / 13,573.80-20,343.66-7,733.70

Finding the Fourth Proportional to 13,573.80, 20,343.66 and 7,733.70

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Solution

The fourth proportional to 13,573.80, 20,343.66 and 7,733.70 is: 11,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.80 : 20,343.66 = 7,733.70 : x
  2. Step 2: Convert to fraction form
    13,573.80/20,343.66 = 7,733.70/x
  3. Step 3: Cross multiply
    13,573.80x = 20,343.66 × 7,733.70
  4. Step 4: Simplify right side
    13,573.80x = 157,331,763.34
  5. Step 5: Solve for x
    x = 157,331,763.34/13,573.80
  6. Step 6: Final answer
    x = 11,590.84

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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.