Home / 19,021.67-28,537.37-11,130.81

Finding the Fourth Proportional to 19,021.67, 28,537.37 and 11,130.81

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Solution

The fourth proportional to 19,021.67, 28,537.37 and 11,130.81 is: 16,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.67 : 28,537.37 = 11,130.81 : x
  2. Step 2: Convert to fraction form
    19,021.67/28,537.37 = 11,130.81/x
  3. Step 3: Cross multiply
    19,021.67x = 28,537.37 × 11,130.81
  4. Step 4: Simplify right side
    19,021.67x = 317,643,987.72
  5. Step 5: Solve for x
    x = 317,643,987.72/19,021.67
  6. Step 6: Final answer
    x = 16,699.06

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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.