Home / 19,459.36-26,857.44-11,075.68

Finding the Fourth Proportional to 19,459.36, 26,857.44 and 11,075.68

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Solution

The fourth proportional to 19,459.36, 26,857.44 and 11,075.68 is: 15,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.36 : 26,857.44 = 11,075.68 : x
  2. Step 2: Convert to fraction form
    19,459.36/26,857.44 = 11,075.68/x
  3. Step 3: Cross multiply
    19,459.36x = 26,857.44 × 11,075.68
  4. Step 4: Simplify right side
    19,459.36x = 297,464,411.06
  5. Step 5: Solve for x
    x = 297,464,411.06/19,459.36
  6. Step 6: Final answer
    x = 15,286.44

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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.