Home / 14,485.24-19,998.66-9,955.72

Finding the Fourth Proportional to 14,485.24, 19,998.66 and 9,955.72

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Solution

The fourth proportional to 14,485.24, 19,998.66 and 9,955.72 is: 13,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.24 : 19,998.66 = 9,955.72 : x
  2. Step 2: Convert to fraction form
    14,485.24/19,998.66 = 9,955.72/x
  3. Step 3: Cross multiply
    14,485.24x = 19,998.66 × 9,955.72
  4. Step 4: Simplify right side
    14,485.24x = 199,101,059.34
  5. Step 5: Solve for x
    x = 199,101,059.34/14,485.24
  6. Step 6: Final answer
    x = 13,745.10

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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.