Home / 19,637.04-29,412.44-18,100.64

Finding the Fourth Proportional to 19,637.04, 29,412.44 and 18,100.64

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Solution

The fourth proportional to 19,637.04, 29,412.44 and 18,100.64 is: 27,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.04 : 29,412.44 = 18,100.64 : x
  2. Step 2: Convert to fraction form
    19,637.04/29,412.44 = 18,100.64/x
  3. Step 3: Cross multiply
    19,637.04x = 29,412.44 × 18,100.64
  4. Step 4: Simplify right side
    19,637.04x = 532,383,987.96
  5. Step 5: Solve for x
    x = 532,383,987.96/19,637.04
  6. Step 6: Final answer
    x = 27,111.21

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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.