Home / 16,762.98-23,131.80-9,207.84

Finding the Fourth Proportional to 16,762.98, 23,131.80 and 9,207.84

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Solution

The fourth proportional to 16,762.98, 23,131.80 and 9,207.84 is: 12,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.98 : 23,131.80 = 9,207.84 : x
  2. Step 2: Convert to fraction form
    16,762.98/23,131.80 = 9,207.84/x
  3. Step 3: Cross multiply
    16,762.98x = 23,131.80 × 9,207.84
  4. Step 4: Simplify right side
    16,762.98x = 212,993,913.31
  5. Step 5: Solve for x
    x = 212,993,913.31/16,762.98
  6. Step 6: Final answer
    x = 12,706.21

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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.