Home / 16,695.69-23,038.74-9,622.68

Finding the Fourth Proportional to 16,695.69, 23,038.74 and 9,622.68

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Solution

The fourth proportional to 16,695.69, 23,038.74 and 9,622.68 is: 13,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.69 : 23,038.74 = 9,622.68 : x
  2. Step 2: Convert to fraction form
    16,695.69/23,038.74 = 9,622.68/x
  3. Step 3: Cross multiply
    16,695.69x = 23,038.74 × 9,622.68
  4. Step 4: Simplify right side
    16,695.69x = 221,694,422.62
  5. Step 5: Solve for x
    x = 221,694,422.62/16,695.69
  6. Step 6: Final answer
    x = 13,278.54

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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.