Home / 19,656.90-27,126.63-10,704.42

Finding the Fourth Proportional to 19,656.90, 27,126.63 and 10,704.42

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Solution

The fourth proportional to 19,656.90, 27,126.63 and 10,704.42 is: 14,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.90 : 27,126.63 = 10,704.42 : x
  2. Step 2: Convert to fraction form
    19,656.90/27,126.63 = 10,704.42/x
  3. Step 3: Cross multiply
    19,656.90x = 27,126.63 × 10,704.42
  4. Step 4: Simplify right side
    19,656.90x = 290,374,840.70
  5. Step 5: Solve for x
    x = 290,374,840.70/19,656.90
  6. Step 6: Final answer
    x = 14,772.16

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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.