Home / 16,698.64-23,024.56-13,330.66

Finding the Fourth Proportional to 16,698.64, 23,024.56 and 13,330.66

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Solution

The fourth proportional to 16,698.64, 23,024.56 and 13,330.66 is: 18,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.64 : 23,024.56 = 13,330.66 : x
  2. Step 2: Convert to fraction form
    16,698.64/23,024.56 = 13,330.66/x
  3. Step 3: Cross multiply
    16,698.64x = 23,024.56 × 13,330.66
  4. Step 4: Simplify right side
    16,698.64x = 306,932,581.01
  5. Step 5: Solve for x
    x = 306,932,581.01/16,698.64
  6. Step 6: Final answer
    x = 18,380.69

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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.