Home / 19,511.78-26,926.06-10,559.10

Finding the Fourth Proportional to 19,511.78, 26,926.06 and 10,559.10

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Solution

The fourth proportional to 19,511.78, 26,926.06 and 10,559.10 is: 14,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.78 : 26,926.06 = 10,559.10 : x
  2. Step 2: Convert to fraction form
    19,511.78/26,926.06 = 10,559.10/x
  3. Step 3: Cross multiply
    19,511.78x = 26,926.06 × 10,559.10
  4. Step 4: Simplify right side
    19,511.78x = 284,314,960.15
  5. Step 5: Solve for x
    x = 284,314,960.15/19,511.78
  6. Step 6: Final answer
    x = 14,571.45

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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.