Home / 22,420.03-30,937.35-13,804.84

Finding the Fourth Proportional to 22,420.03, 30,937.35 and 13,804.84

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Solution

The fourth proportional to 22,420.03, 30,937.35 and 13,804.84 is: 19,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.03 : 30,937.35 = 13,804.84 : x
  2. Step 2: Convert to fraction form
    22,420.03/30,937.35 = 13,804.84/x
  3. Step 3: Cross multiply
    22,420.03x = 30,937.35 × 13,804.84
  4. Step 4: Simplify right side
    22,420.03x = 427,085,097.75
  5. Step 5: Solve for x
    x = 427,085,097.75/22,420.03
  6. Step 6: Final answer
    x = 19,049.27

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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.