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Finding the Fourth Proportional to 19,273.84, 26,594.40 and 11,316.40

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Solution

The fourth proportional to 19,273.84, 26,594.40 and 11,316.40 is: 15,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.84 : 26,594.40 = 11,316.40 : x
  2. Step 2: Convert to fraction form
    19,273.84/26,594.40 = 11,316.40/x
  3. Step 3: Cross multiply
    19,273.84x = 26,594.40 × 11,316.40
  4. Step 4: Simplify right side
    19,273.84x = 300,952,868.16
  5. Step 5: Solve for x
    x = 300,952,868.16/19,273.84
  6. Step 6: Final answer
    x = 15,614.58

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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.