Home / 69,503.46-104,254.28-16,913

Finding the Fourth Proportional to 69,503.46, 104,254.28 and 16,913

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Solution

The fourth proportional to 69,503.46, 104,254.28 and 16,913 is: 25,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,503.46 : 104,254.28 = 16,913 : x
  2. Step 2: Convert to fraction form
    69,503.46/104,254.28 = 16,913/x
  3. Step 3: Cross multiply
    69,503.46x = 104,254.28 × 16,913
  4. Step 4: Simplify right side
    69,503.46x = 1,763,252,637.64
  5. Step 5: Solve for x
    x = 1,763,252,637.64/69,503.46
  6. Step 6: Final answer
    x = 25,369.28

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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.