Home / 13,741.02-18,962.84-7,453.39

Finding the Fourth Proportional to 13,741.02, 18,962.84 and 7,453.39

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Solution

The fourth proportional to 13,741.02, 18,962.84 and 7,453.39 is: 10,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.02 : 18,962.84 = 7,453.39 : x
  2. Step 2: Convert to fraction form
    13,741.02/18,962.84 = 7,453.39/x
  3. Step 3: Cross multiply
    13,741.02x = 18,962.84 × 7,453.39
  4. Step 4: Simplify right side
    13,741.02x = 141,337,442.03
  5. Step 5: Solve for x
    x = 141,337,442.03/13,741.02
  6. Step 6: Final answer
    x = 10,285.80

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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.