Home / 19,437.72-26,821.98-10,940.28

Finding the Fourth Proportional to 19,437.72, 26,821.98 and 10,940.28

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Solution

The fourth proportional to 19,437.72, 26,821.98 and 10,940.28 is: 15,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.72 : 26,821.98 = 10,940.28 : x
  2. Step 2: Convert to fraction form
    19,437.72/26,821.98 = 10,940.28/x
  3. Step 3: Cross multiply
    19,437.72x = 26,821.98 × 10,940.28
  4. Step 4: Simplify right side
    19,437.72x = 293,439,971.35
  5. Step 5: Solve for x
    x = 293,439,971.35/19,437.72
  6. Step 6: Final answer
    x = 15,096.42

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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.