Home / 14,193.04-19,577.19-13,711.90

Finding the Fourth Proportional to 14,193.04, 19,577.19 and 13,711.90

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Solution

The fourth proportional to 14,193.04, 19,577.19 and 13,711.90 is: 18,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.04 : 19,577.19 = 13,711.90 : x
  2. Step 2: Convert to fraction form
    14,193.04/19,577.19 = 13,711.90/x
  3. Step 3: Cross multiply
    14,193.04x = 19,577.19 × 13,711.90
  4. Step 4: Simplify right side
    14,193.04x = 268,440,471.56
  5. Step 5: Solve for x
    x = 268,440,471.56/14,193.04
  6. Step 6: Final answer
    x = 18,913.53

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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.