Home / 19,072.49-26,313.90-11,521.05

Finding the Fourth Proportional to 19,072.49, 26,313.90 and 11,521.05

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Solution

The fourth proportional to 19,072.49, 26,313.90 and 11,521.05 is: 15,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.49 : 26,313.90 = 11,521.05 : x
  2. Step 2: Convert to fraction form
    19,072.49/26,313.90 = 11,521.05/x
  3. Step 3: Cross multiply
    19,072.49x = 26,313.90 × 11,521.05
  4. Step 4: Simplify right side
    19,072.49x = 303,163,757.60
  5. Step 5: Solve for x
    x = 303,163,757.60/19,072.49
  6. Step 6: Final answer
    x = 15,895.35

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Double scale
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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.