Home / 18,587.89-25,651.30-10,090.01

Finding the Fourth Proportional to 18,587.89, 25,651.30 and 10,090.01

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Solution

The fourth proportional to 18,587.89, 25,651.30 and 10,090.01 is: 13,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.89 : 25,651.30 = 10,090.01 : x
  2. Step 2: Convert to fraction form
    18,587.89/25,651.30 = 10,090.01/x
  3. Step 3: Cross multiply
    18,587.89x = 25,651.30 × 10,090.01
  4. Step 4: Simplify right side
    18,587.89x = 258,821,720.03
  5. Step 5: Solve for x
    x = 258,821,720.03/18,587.89
  6. Step 6: Final answer
    x = 13,924.21

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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.