Home / 19,656.80-27,125.74-10,704.23

Finding the Fourth Proportional to 19,656.80, 27,125.74 and 10,704.23

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Solution

The fourth proportional to 19,656.80, 27,125.74 and 10,704.23 is: 14,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.80 : 27,125.74 = 10,704.23 : x
  2. Step 2: Convert to fraction form
    19,656.80/27,125.74 = 10,704.23/x
  3. Step 3: Cross multiply
    19,656.80x = 27,125.74 × 10,704.23
  4. Step 4: Simplify right side
    19,656.80x = 290,360,159.88
  5. Step 5: Solve for x
    x = 290,360,159.88/19,656.80
  6. Step 6: Final answer
    x = 14,771.49

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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.