Home / 18,643.56-25,731.81-10,577.37

Finding the Fourth Proportional to 18,643.56, 25,731.81 and 10,577.37

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Solution

The fourth proportional to 18,643.56, 25,731.81 and 10,577.37 is: 14,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.56 : 25,731.81 = 10,577.37 : x
  2. Step 2: Convert to fraction form
    18,643.56/25,731.81 = 10,577.37/x
  3. Step 3: Cross multiply
    18,643.56x = 25,731.81 × 10,577.37
  4. Step 4: Simplify right side
    18,643.56x = 272,174,971.63
  5. Step 5: Solve for x
    x = 272,174,971.63/18,643.56
  6. Step 6: Final answer
    x = 14,598.88

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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.