Home / 19,433.90-29,149.23-11,637.02

Finding the Fourth Proportional to 19,433.90, 29,149.23 and 11,637.02

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Solution

The fourth proportional to 19,433.90, 29,149.23 and 11,637.02 is: 17,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.90 : 29,149.23 = 11,637.02 : x
  2. Step 2: Convert to fraction form
    19,433.90/29,149.23 = 11,637.02/x
  3. Step 3: Cross multiply
    19,433.90x = 29,149.23 × 11,637.02
  4. Step 4: Simplify right side
    19,433.90x = 339,210,172.49
  5. Step 5: Solve for x
    x = 339,210,172.49/19,433.90
  6. Step 6: Final answer
    x = 17,454.56

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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.