Home / 13,810.02-19,057.80-7,522.44

Finding the Fourth Proportional to 13,810.02, 19,057.80 and 7,522.44

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Solution

The fourth proportional to 13,810.02, 19,057.80 and 7,522.44 is: 10,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.02 : 19,057.80 = 7,522.44 : x
  2. Step 2: Convert to fraction form
    13,810.02/19,057.80 = 7,522.44/x
  3. Step 3: Cross multiply
    13,810.02x = 19,057.80 × 7,522.44
  4. Step 4: Simplify right side
    13,810.02x = 143,361,157.03
  5. Step 5: Solve for x
    x = 143,361,157.03/13,810.02
  6. Step 6: Final answer
    x = 10,380.95

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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.