Home / 19,453.88-26,808.90-14,140.28

Finding the Fourth Proportional to 19,453.88, 26,808.90 and 14,140.28

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Solution

The fourth proportional to 19,453.88, 26,808.90 and 14,140.28 is: 19,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.88 : 26,808.90 = 14,140.28 : x
  2. Step 2: Convert to fraction form
    19,453.88/26,808.90 = 14,140.28/x
  3. Step 3: Cross multiply
    19,453.88x = 26,808.90 × 14,140.28
  4. Step 4: Simplify right side
    19,453.88x = 379,085,352.49
  5. Step 5: Solve for x
    x = 379,085,352.49/19,453.88
  6. Step 6: Final answer
    x = 19,486.36

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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.