Home / 19,659.07-27,128.62-10,706.55

Finding the Fourth Proportional to 19,659.07, 27,128.62 and 10,706.55

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Solution

The fourth proportional to 19,659.07, 27,128.62 and 10,706.55 is: 14,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.07 : 27,128.62 = 10,706.55 : x
  2. Step 2: Convert to fraction form
    19,659.07/27,128.62 = 10,706.55/x
  3. Step 3: Cross multiply
    19,659.07x = 27,128.62 × 10,706.55
  4. Step 4: Simplify right side
    19,659.07x = 290,453,926.46
  5. Step 5: Solve for x
    x = 290,453,926.46/19,659.07
  6. Step 6: Final answer
    x = 14,774.55

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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.