Home / 30,276.02-41,757.23-19,669.07

Finding the Fourth Proportional to 30,276.02, 41,757.23 and 19,669.07

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Solution

The fourth proportional to 30,276.02, 41,757.23 and 19,669.07 is: 27,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.02 : 41,757.23 = 19,669.07 : x
  2. Step 2: Convert to fraction form
    30,276.02/41,757.23 = 19,669.07/x
  3. Step 3: Cross multiply
    30,276.02x = 41,757.23 × 19,669.07
  4. Step 4: Simplify right side
    30,276.02x = 821,325,720.26
  5. Step 5: Solve for x
    x = 821,325,720.26/30,276.02
  6. Step 6: Final answer
    x = 27,127.93

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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.