Home / 13,548.06-20,328.57-4,787.10

Finding the Fourth Proportional to 13,548.06, 20,328.57 and 4,787.10

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Solution

The fourth proportional to 13,548.06, 20,328.57 and 4,787.10 is: 7,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.06 : 20,328.57 = 4,787.10 : x
  2. Step 2: Convert to fraction form
    13,548.06/20,328.57 = 4,787.10/x
  3. Step 3: Cross multiply
    13,548.06x = 20,328.57 × 4,787.10
  4. Step 4: Simplify right side
    13,548.06x = 97,314,897.45
  5. Step 5: Solve for x
    x = 97,314,897.45/13,548.06
  6. Step 6: Final answer
    x = 7,182.94

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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.