Home / 20,573.40-30,861.17-6,534.53

Finding the Fourth Proportional to 20,573.40, 30,861.17 and 6,534.53

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Solution

The fourth proportional to 20,573.40, 30,861.17 and 6,534.53 is: 9,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.40 : 30,861.17 = 6,534.53 : x
  2. Step 2: Convert to fraction form
    20,573.40/30,861.17 = 6,534.53/x
  3. Step 3: Cross multiply
    20,573.40x = 30,861.17 × 6,534.53
  4. Step 4: Simplify right side
    20,573.40x = 201,663,194.46
  5. Step 5: Solve for x
    x = 201,663,194.46/20,573.40
  6. Step 6: Final answer
    x = 9,802.13

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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.