Home / 13,577.02-18,736.11-7,610.15

Finding the Fourth Proportional to 13,577.02, 18,736.11 and 7,610.15

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Solution

The fourth proportional to 13,577.02, 18,736.11 and 7,610.15 is: 10,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.02 : 18,736.11 = 7,610.15 : x
  2. Step 2: Convert to fraction form
    13,577.02/18,736.11 = 7,610.15/x
  3. Step 3: Cross multiply
    13,577.02x = 18,736.11 × 7,610.15
  4. Step 4: Simplify right side
    13,577.02x = 142,584,654.36
  5. Step 5: Solve for x
    x = 142,584,654.36/13,577.02
  6. Step 6: Final answer
    x = 10,501.91

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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.