Home / 19,412.83-26,786.43-10,913.83

Finding the Fourth Proportional to 19,412.83, 26,786.43 and 10,913.83

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Solution

The fourth proportional to 19,412.83, 26,786.43 and 10,913.83 is: 15,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.83 : 26,786.43 = 10,913.83 : x
  2. Step 2: Convert to fraction form
    19,412.83/26,786.43 = 10,913.83/x
  3. Step 3: Cross multiply
    19,412.83x = 26,786.43 × 10,913.83
  4. Step 4: Simplify right side
    19,412.83x = 292,342,543.33
  5. Step 5: Solve for x
    x = 292,342,543.33/19,412.83
  6. Step 6: Final answer
    x = 15,059.24

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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.