Home / 19,511.55-26,926.01-10,559.05

Finding the Fourth Proportional to 19,511.55, 26,926.01 and 10,559.05

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Solution

The fourth proportional to 19,511.55, 26,926.01 and 10,559.05 is: 14,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.55 : 26,926.01 = 10,559.05 : x
  2. Step 2: Convert to fraction form
    19,511.55/26,926.01 = 10,559.05/x
  3. Step 3: Cross multiply
    19,511.55x = 26,926.01 × 10,559.05
  4. Step 4: Simplify right side
    19,511.55x = 284,313,085.89
  5. Step 5: Solve for x
    x = 284,313,085.89/19,511.55
  6. Step 6: Final answer
    x = 14,571.53

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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.