Home / 16,220.32-22,396.71-12,693.58

Finding the Fourth Proportional to 16,220.32, 22,396.71 and 12,693.58

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Solution

The fourth proportional to 16,220.32, 22,396.71 and 12,693.58 is: 17,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.32 : 22,396.71 = 12,693.58 : x
  2. Step 2: Convert to fraction form
    16,220.32/22,396.71 = 12,693.58/x
  3. Step 3: Cross multiply
    16,220.32x = 22,396.71 × 12,693.58
  4. Step 4: Simplify right side
    16,220.32x = 284,294,430.12
  5. Step 5: Solve for x
    x = 284,294,430.12/16,220.32
  6. Step 6: Final answer
    x = 17,527.05

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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.