Home / 19,356.90-26,711.33-10,857.44

Finding the Fourth Proportional to 19,356.90, 26,711.33 and 10,857.44

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Solution

The fourth proportional to 19,356.90, 26,711.33 and 10,857.44 is: 14,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.90 : 26,711.33 = 10,857.44 : x
  2. Step 2: Convert to fraction form
    19,356.90/26,711.33 = 10,857.44/x
  3. Step 3: Cross multiply
    19,356.90x = 26,711.33 × 10,857.44
  4. Step 4: Simplify right side
    19,356.90x = 290,016,751.63
  5. Step 5: Solve for x
    x = 290,016,751.63/19,356.90
  6. Step 6: Final answer
    x = 14,982.60

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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.