Home / 16,816.64-23,191.49-11,071.67

Finding the Fourth Proportional to 16,816.64, 23,191.49 and 11,071.67

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Solution

The fourth proportional to 16,816.64, 23,191.49 and 11,071.67 is: 15,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.64 : 23,191.49 = 11,071.67 : x
  2. Step 2: Convert to fraction form
    16,816.64/23,191.49 = 11,071.67/x
  3. Step 3: Cross multiply
    16,816.64x = 23,191.49 × 11,071.67
  4. Step 4: Simplify right side
    16,816.64x = 256,768,352.77
  5. Step 5: Solve for x
    x = 256,768,352.77/16,816.64
  6. Step 6: Final answer
    x = 15,268.71

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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.