Home / 19,116-28,622.57-10,783.53

Finding the Fourth Proportional to 19,116, 28,622.57 and 10,783.53

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Solution

The fourth proportional to 19,116, 28,622.57 and 10,783.53 is: 16,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116 : 28,622.57 = 10,783.53 : x
  2. Step 2: Convert to fraction form
    19,116/28,622.57 = 10,783.53/x
  3. Step 3: Cross multiply
    19,116x = 28,622.57 × 10,783.53
  4. Step 4: Simplify right side
    19,116x = 308,652,288.35
  5. Step 5: Solve for x
    x = 308,652,288.35/19,116
  6. Step 6: Final answer
    x = 16,146.28

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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.