Home / 13,825.08-19,072.52-9,347.20

Finding the Fourth Proportional to 13,825.08, 19,072.52 and 9,347.20

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Solution

The fourth proportional to 13,825.08, 19,072.52 and 9,347.20 is: 12,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.08 : 19,072.52 = 9,347.20 : x
  2. Step 2: Convert to fraction form
    13,825.08/19,072.52 = 9,347.20/x
  3. Step 3: Cross multiply
    13,825.08x = 19,072.52 × 9,347.20
  4. Step 4: Simplify right side
    13,825.08x = 178,274,658.94
  5. Step 5: Solve for x
    x = 178,274,658.94/13,825.08
  6. Step 6: Final answer
    x = 12,895.02

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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.