Home / 14,125.53-19,493.22-7,837.90

Finding the Fourth Proportional to 14,125.53, 19,493.22 and 7,837.90

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Solution

The fourth proportional to 14,125.53, 19,493.22 and 7,837.90 is: 10,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.53 : 19,493.22 = 7,837.90 : x
  2. Step 2: Convert to fraction form
    14,125.53/19,493.22 = 7,837.90/x
  3. Step 3: Cross multiply
    14,125.53x = 19,493.22 × 7,837.90
  4. Step 4: Simplify right side
    14,125.53x = 152,785,909.04
  5. Step 5: Solve for x
    x = 152,785,909.04/14,125.53
  6. Step 6: Final answer
    x = 10,816.30

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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.