Home / 19,090.09-28,634.80-5,762.83

Finding the Fourth Proportional to 19,090.09, 28,634.80 and 5,762.83

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Solution

The fourth proportional to 19,090.09, 28,634.80 and 5,762.83 is: 8,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.09 : 28,634.80 = 5,762.83 : x
  2. Step 2: Convert to fraction form
    19,090.09/28,634.80 = 5,762.83/x
  3. Step 3: Cross multiply
    19,090.09x = 28,634.80 × 5,762.83
  4. Step 4: Simplify right side
    19,090.09x = 165,017,484.48
  5. Step 5: Solve for x
    x = 165,017,484.48/19,090.09
  6. Step 6: Final answer
    x = 8,644.14

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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.