Home / 19,426.85-26,808.39-10,929.14

Finding the Fourth Proportional to 19,426.85, 26,808.39 and 10,929.14

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Solution

The fourth proportional to 19,426.85, 26,808.39 and 10,929.14 is: 15,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.85 : 26,808.39 = 10,929.14 : x
  2. Step 2: Convert to fraction form
    19,426.85/26,808.39 = 10,929.14/x
  3. Step 3: Cross multiply
    19,426.85x = 26,808.39 × 10,929.14
  4. Step 4: Simplify right side
    19,426.85x = 292,992,513.44
  5. Step 5: Solve for x
    x = 292,992,513.44/19,426.85
  6. Step 6: Final answer
    x = 15,081.84

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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.