Home / 20,573.53-30,861.36-6,534.65

Finding the Fourth Proportional to 20,573.53, 30,861.36 and 6,534.65

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Solution

The fourth proportional to 20,573.53, 30,861.36 and 6,534.65 is: 9,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.53 : 30,861.36 = 6,534.65 : x
  2. Step 2: Convert to fraction form
    20,573.53/30,861.36 = 6,534.65/x
  3. Step 3: Cross multiply
    20,573.53x = 30,861.36 × 6,534.65
  4. Step 4: Simplify right side
    20,573.53x = 201,668,153.45
  5. Step 5: Solve for x
    x = 201,668,153.45/20,573.53
  6. Step 6: Final answer
    x = 9,802.31

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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.