Home / 19,036.49-26,269.79-10,538.30

Finding the Fourth Proportional to 19,036.49, 26,269.79 and 10,538.30

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Solution

The fourth proportional to 19,036.49, 26,269.79 and 10,538.30 is: 14,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.49 : 26,269.79 = 10,538.30 : x
  2. Step 2: Convert to fraction form
    19,036.49/26,269.79 = 10,538.30/x
  3. Step 3: Cross multiply
    19,036.49x = 26,269.79 × 10,538.30
  4. Step 4: Simplify right side
    19,036.49x = 276,838,940.94
  5. Step 5: Solve for x
    x = 276,838,940.94/19,036.49
  6. Step 6: Final answer
    x = 14,542.55

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Half 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.