Home / 19,426.69-26,810.39-10,928.31

Finding the Fourth Proportional to 19,426.69, 26,810.39 and 10,928.31

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Solution

The fourth proportional to 19,426.69, 26,810.39 and 10,928.31 is: 15,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.69 : 26,810.39 = 10,928.31 : x
  2. Step 2: Convert to fraction form
    19,426.69/26,810.39 = 10,928.31/x
  3. Step 3: Cross multiply
    19,426.69x = 26,810.39 × 10,928.31
  4. Step 4: Simplify right side
    19,426.69x = 292,992,119.09
  5. Step 5: Solve for x
    x = 292,992,119.09/19,426.69
  6. Step 6: Final answer
    x = 15,081.94

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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.