Home / 18,954.06-28,437.16-9,094.13

Finding the Fourth Proportional to 18,954.06, 28,437.16 and 9,094.13

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Solution

The fourth proportional to 18,954.06, 28,437.16 and 9,094.13 is: 13,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.06 : 28,437.16 = 9,094.13 : x
  2. Step 2: Convert to fraction form
    18,954.06/28,437.16 = 9,094.13/x
  3. Step 3: Cross multiply
    18,954.06x = 28,437.16 × 9,094.13
  4. Step 4: Simplify right side
    18,954.06x = 258,611,229.87
  5. Step 5: Solve for x
    x = 258,611,229.87/18,954.06
  6. Step 6: Final answer
    x = 13,644.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.