Home / 14,749.16-20,338.20-10,966.23

Finding the Fourth Proportional to 14,749.16, 20,338.20 and 10,966.23

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Solution

The fourth proportional to 14,749.16, 20,338.20 and 10,966.23 is: 15,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.16 : 20,338.20 = 10,966.23 : x
  2. Step 2: Convert to fraction form
    14,749.16/20,338.20 = 10,966.23/x
  3. Step 3: Cross multiply
    14,749.16x = 20,338.20 × 10,966.23
  4. Step 4: Simplify right side
    14,749.16x = 223,033,378.99
  5. Step 5: Solve for x
    x = 223,033,378.99/14,749.16
  6. Step 6: Final answer
    x = 15,121.77

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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.