Home / 14,125.46-19,493.66-7,839.05

Finding the Fourth Proportional to 14,125.46, 19,493.66 and 7,839.05

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Solution

The fourth proportional to 14,125.46, 19,493.66 and 7,839.05 is: 10,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.46 : 19,493.66 = 7,839.05 : x
  2. Step 2: Convert to fraction form
    14,125.46/19,493.66 = 7,839.05/x
  3. Step 3: Cross multiply
    14,125.46x = 19,493.66 × 7,839.05
  4. Step 4: Simplify right side
    14,125.46x = 152,811,697.55
  5. Step 5: Solve for x
    x = 152,811,697.55/14,125.46
  6. Step 6: Final answer
    x = 10,818.18

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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.