Home / 19,503-26,918.94-11,124.36

Finding the Fourth Proportional to 19,503, 26,918.94 and 11,124.36

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Solution

The fourth proportional to 19,503, 26,918.94 and 11,124.36 is: 15,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503 : 26,918.94 = 11,124.36 : x
  2. Step 2: Convert to fraction form
    19,503/26,918.94 = 11,124.36/x
  3. Step 3: Cross multiply
    19,503x = 26,918.94 × 11,124.36
  4. Step 4: Simplify right side
    19,503x = 299,455,979.38
  5. Step 5: Solve for x
    x = 299,455,979.38/19,503
  6. Step 6: Final answer
    x = 15,354.35

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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.