Home / 13,072.48-18,060.30-12,974.08

Finding the Fourth Proportional to 13,072.48, 18,060.30 and 12,974.08

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Solution

The fourth proportional to 13,072.48, 18,060.30 and 12,974.08 is: 17,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.48 : 18,060.30 = 12,974.08 : x
  2. Step 2: Convert to fraction form
    13,072.48/18,060.30 = 12,974.08/x
  3. Step 3: Cross multiply
    13,072.48x = 18,060.30 × 12,974.08
  4. Step 4: Simplify right side
    13,072.48x = 234,315,777.02
  5. Step 5: Solve for x
    x = 234,315,777.02/13,072.48
  6. Step 6: Final answer
    x = 17,924.36

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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.