Home / 19,637.08-29,374.62-12,606.28

Finding the Fourth Proportional to 19,637.08, 29,374.62 and 12,606.28

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Solution

The fourth proportional to 19,637.08, 29,374.62 and 12,606.28 is: 18,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.08 : 29,374.62 = 12,606.28 : x
  2. Step 2: Convert to fraction form
    19,637.08/29,374.62 = 12,606.28/x
  3. Step 3: Cross multiply
    19,637.08x = 29,374.62 × 12,606.28
  4. Step 4: Simplify right side
    19,637.08x = 370,304,684.61
  5. Step 5: Solve for x
    x = 370,304,684.61/19,637.08
  6. Step 6: Final answer
    x = 18,857.42

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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.