Home / 20,733.14-28,611.56-11,301.50

Finding the Fourth Proportional to 20,733.14, 28,611.56 and 11,301.50

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Solution

The fourth proportional to 20,733.14, 28,611.56 and 11,301.50 is: 15,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.14 : 28,611.56 = 11,301.50 : x
  2. Step 2: Convert to fraction form
    20,733.14/28,611.56 = 11,301.50/x
  3. Step 3: Cross multiply
    20,733.14x = 28,611.56 × 11,301.50
  4. Step 4: Simplify right side
    20,733.14x = 323,353,545.34
  5. Step 5: Solve for x
    x = 323,353,545.34/20,733.14
  6. Step 6: Final answer
    x = 15,595.98

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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.