Home / 13,903.50-19,124.60-12,193.59

Finding the Fourth Proportional to 13,903.50, 19,124.60 and 12,193.59

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Solution

The fourth proportional to 13,903.50, 19,124.60 and 12,193.59 is: 16,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.50 : 19,124.60 = 12,193.59 : x
  2. Step 2: Convert to fraction form
    13,903.50/19,124.60 = 12,193.59/x
  3. Step 3: Cross multiply
    13,903.50x = 19,124.60 × 12,193.59
  4. Step 4: Simplify right side
    13,903.50x = 233,197,470.35
  5. Step 5: Solve for x
    x = 233,197,470.35/13,903.50
  6. Step 6: Final answer
    x = 16,772.57

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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.