Home / 19,518.63-26,936.07-11,022.45

Finding the Fourth Proportional to 19,518.63, 26,936.07 and 11,022.45

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Solution

The fourth proportional to 19,518.63, 26,936.07 and 11,022.45 is: 15,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.63 : 26,936.07 = 11,022.45 : x
  2. Step 2: Convert to fraction form
    19,518.63/26,936.07 = 11,022.45/x
  3. Step 3: Cross multiply
    19,518.63x = 26,936.07 × 11,022.45
  4. Step 4: Simplify right side
    19,518.63x = 296,901,484.77
  5. Step 5: Solve for x
    x = 296,901,484.77/19,518.63
  6. Step 6: Final answer
    x = 15,211.18

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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.