Home / 19,490.04-26,896.90-11,106.04

Finding the Fourth Proportional to 19,490.04, 26,896.90 and 11,106.04

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Solution

The fourth proportional to 19,490.04, 26,896.90 and 11,106.04 is: 15,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.04 : 26,896.90 = 11,106.04 : x
  2. Step 2: Convert to fraction form
    19,490.04/26,896.90 = 11,106.04/x
  3. Step 3: Cross multiply
    19,490.04x = 26,896.90 × 11,106.04
  4. Step 4: Simplify right side
    19,490.04x = 298,718,047.28
  5. Step 5: Solve for x
    x = 298,718,047.28/19,490.04
  6. Step 6: Final answer
    x = 15,326.70

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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.