Home / 19,518.53-26,935.43-11,020.57

Finding the Fourth Proportional to 19,518.53, 26,935.43 and 11,020.57

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Solution

The fourth proportional to 19,518.53, 26,935.43 and 11,020.57 is: 15,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.53 : 26,935.43 = 11,020.57 : x
  2. Step 2: Convert to fraction form
    19,518.53/26,935.43 = 11,020.57/x
  3. Step 3: Cross multiply
    19,518.53x = 26,935.43 × 11,020.57
  4. Step 4: Simplify right side
    19,518.53x = 296,843,669.35
  5. Step 5: Solve for x
    x = 296,843,669.35/19,518.53
  6. Step 6: Final answer
    x = 15,208.30

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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.