Home / 16,698.18-23,040.03-9,981.30

Finding the Fourth Proportional to 16,698.18, 23,040.03 and 9,981.30

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Solution

The fourth proportional to 16,698.18, 23,040.03 and 9,981.30 is: 13,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.18 : 23,040.03 = 9,981.30 : x
  2. Step 2: Convert to fraction form
    16,698.18/23,040.03 = 9,981.30/x
  3. Step 3: Cross multiply
    16,698.18x = 23,040.03 × 9,981.30
  4. Step 4: Simplify right side
    16,698.18x = 229,969,451.44
  5. Step 5: Solve for x
    x = 229,969,451.44/16,698.18
  6. Step 6: Final answer
    x = 13,772.13

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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.