Home / 20,941.06-28,898.68-11,510.23

Finding the Fourth Proportional to 20,941.06, 28,898.68 and 11,510.23

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Solution

The fourth proportional to 20,941.06, 28,898.68 and 11,510.23 is: 15,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.06 : 28,898.68 = 11,510.23 : x
  2. Step 2: Convert to fraction form
    20,941.06/28,898.68 = 11,510.23/x
  3. Step 3: Cross multiply
    20,941.06x = 28,898.68 × 11,510.23
  4. Step 4: Simplify right side
    20,941.06x = 332,630,453.50
  5. Step 5: Solve for x
    x = 332,630,453.50/20,941.06
  6. Step 6: Final answer
    x = 15,884.13

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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.