Home / 22,195.08-30,637.72-13,698.60

Finding the Fourth Proportional to 22,195.08, 30,637.72 and 13,698.60

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Solution

The fourth proportional to 22,195.08, 30,637.72 and 13,698.60 is: 18,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.08 : 30,637.72 = 13,698.60 : x
  2. Step 2: Convert to fraction form
    22,195.08/30,637.72 = 13,698.60/x
  3. Step 3: Cross multiply
    22,195.08x = 30,637.72 × 13,698.60
  4. Step 4: Simplify right side
    22,195.08x = 419,693,871.19
  5. Step 5: Solve for x
    x = 419,693,871.19/22,195.08
  6. Step 6: Final answer
    x = 18,909.32

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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.