Home / 16,438.36-22,684.98-9,365.08

Finding the Fourth Proportional to 16,438.36, 22,684.98 and 9,365.08

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Solution

The fourth proportional to 16,438.36, 22,684.98 and 9,365.08 is: 12,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.36 : 22,684.98 = 9,365.08 : x
  2. Step 2: Convert to fraction form
    16,438.36/22,684.98 = 9,365.08/x
  3. Step 3: Cross multiply
    16,438.36x = 22,684.98 × 9,365.08
  4. Step 4: Simplify right side
    16,438.36x = 212,446,652.50
  5. Step 5: Solve for x
    x = 212,446,652.50/16,438.36
  6. Step 6: Final answer
    x = 12,923.84

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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.