Home / 16,919.61-23,348.53-9,749.32

Finding the Fourth Proportional to 16,919.61, 23,348.53 and 9,749.32

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Solution

The fourth proportional to 16,919.61, 23,348.53 and 9,749.32 is: 13,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.61 : 23,348.53 = 9,749.32 : x
  2. Step 2: Convert to fraction form
    16,919.61/23,348.53 = 9,749.32/x
  3. Step 3: Cross multiply
    16,919.61x = 23,348.53 × 9,749.32
  4. Step 4: Simplify right side
    16,919.61x = 227,632,338.04
  5. Step 5: Solve for x
    x = 227,632,338.04/16,919.61
  6. Step 6: Final answer
    x = 13,453.76

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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.