Home / 18,820.02-25,971.20-10,754.04

Finding the Fourth Proportional to 18,820.02, 25,971.20 and 10,754.04

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Solution

The fourth proportional to 18,820.02, 25,971.20 and 10,754.04 is: 14,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.02 : 25,971.20 = 10,754.04 : x
  2. Step 2: Convert to fraction form
    18,820.02/25,971.20 = 10,754.04/x
  3. Step 3: Cross multiply
    18,820.02x = 25,971.20 × 10,754.04
  4. Step 4: Simplify right side
    18,820.02x = 279,295,323.65
  5. Step 5: Solve for x
    x = 279,295,323.65/18,820.02
  6. Step 6: Final answer
    x = 14,840.33

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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.