Home / 19,371.54-26,730.60-10,871.94

Finding the Fourth Proportional to 19,371.54, 26,730.60 and 10,871.94

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Solution

The fourth proportional to 19,371.54, 26,730.60 and 10,871.94 is: 15,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.54 : 26,730.60 = 10,871.94 : x
  2. Step 2: Convert to fraction form
    19,371.54/26,730.60 = 10,871.94/x
  3. Step 3: Cross multiply
    19,371.54x = 26,730.60 × 10,871.94
  4. Step 4: Simplify right side
    19,371.54x = 290,613,479.36
  5. Step 5: Solve for x
    x = 290,613,479.36/19,371.54
  6. Step 6: Final answer
    x = 15,002.08

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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.