Home / 13,052.36-19,580.58-4,285.28

Finding the Fourth Proportional to 13,052.36, 19,580.58 and 4,285.28

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Solution

The fourth proportional to 13,052.36, 19,580.58 and 4,285.28 is: 6,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.36 : 19,580.58 = 4,285.28 : x
  2. Step 2: Convert to fraction form
    13,052.36/19,580.58 = 4,285.28/x
  3. Step 3: Cross multiply
    13,052.36x = 19,580.58 × 4,285.28
  4. Step 4: Simplify right side
    13,052.36x = 83,908,267.86
  5. Step 5: Solve for x
    x = 83,908,267.86/13,052.36
  6. Step 6: Final answer
    x = 6,428.59

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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.