Home / 16,684.90-23,025.75-9,131.08

Finding the Fourth Proportional to 16,684.90, 23,025.75 and 9,131.08

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Solution

The fourth proportional to 16,684.90, 23,025.75 and 9,131.08 is: 12,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,684.90 : 23,025.75 = 9,131.08 : x
  2. Step 2: Convert to fraction form
    16,684.90/23,025.75 = 9,131.08/x
  3. Step 3: Cross multiply
    16,684.90x = 23,025.75 × 9,131.08
  4. Step 4: Simplify right side
    16,684.90x = 210,249,965.31
  5. Step 5: Solve for x
    x = 210,249,965.31/16,684.90
  6. Step 6: Final answer
    x = 12,601.21

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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.