Home / 18,588.48-25,651.53-10,090.20

Finding the Fourth Proportional to 18,588.48, 25,651.53 and 10,090.20

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Solution

The fourth proportional to 18,588.48, 25,651.53 and 10,090.20 is: 13,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.48 : 25,651.53 = 10,090.20 : x
  2. Step 2: Convert to fraction form
    18,588.48/25,651.53 = 10,090.20/x
  3. Step 3: Cross multiply
    18,588.48x = 25,651.53 × 10,090.20
  4. Step 4: Simplify right side
    18,588.48x = 258,829,068.01
  5. Step 5: Solve for x
    x = 258,829,068.01/18,588.48
  6. Step 6: Final answer
    x = 13,924.17

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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.