Home / 19,900.69-27,466.88-11,408.51

Finding the Fourth Proportional to 19,900.69, 27,466.88 and 11,408.51

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Solution

The fourth proportional to 19,900.69, 27,466.88 and 11,408.51 is: 15,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.69 : 27,466.88 = 11,408.51 : x
  2. Step 2: Convert to fraction form
    19,900.69/27,466.88 = 11,408.51/x
  3. Step 3: Cross multiply
    19,900.69x = 27,466.88 × 11,408.51
  4. Step 4: Simplify right side
    19,900.69x = 313,356,284.82
  5. Step 5: Solve for x
    x = 313,356,284.82/19,900.69
  6. Step 6: Final answer
    x = 15,746.00

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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.