Home / 16,603.79-22,889.04-13,416.44

Finding the Fourth Proportional to 16,603.79, 22,889.04 and 13,416.44

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Solution

The fourth proportional to 16,603.79, 22,889.04 and 13,416.44 is: 18,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.79 : 22,889.04 = 13,416.44 : x
  2. Step 2: Convert to fraction form
    16,603.79/22,889.04 = 13,416.44/x
  3. Step 3: Cross multiply
    16,603.79x = 22,889.04 × 13,416.44
  4. Step 4: Simplify right side
    16,603.79x = 307,089,317.37
  5. Step 5: Solve for x
    x = 307,089,317.37/16,603.79
  6. Step 6: Final answer
    x = 18,495.14

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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.