Home / 19,416.84-29,078.10-11,071.68

Finding the Fourth Proportional to 19,416.84, 29,078.10 and 11,071.68

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Solution

The fourth proportional to 19,416.84, 29,078.10 and 11,071.68 is: 16,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.84 : 29,078.10 = 11,071.68 : x
  2. Step 2: Convert to fraction form
    19,416.84/29,078.10 = 11,071.68/x
  3. Step 3: Cross multiply
    19,416.84x = 29,078.10 × 11,071.68
  4. Step 4: Simplify right side
    19,416.84x = 321,943,418.21
  5. Step 5: Solve for x
    x = 321,943,418.21/19,416.84
  6. Step 6: Final answer
    x = 16,580.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.