Home / 14,541.34-21,813.36-4,678.28

Finding the Fourth Proportional to 14,541.34, 21,813.36 and 4,678.28

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Solution

The fourth proportional to 14,541.34, 21,813.36 and 4,678.28 is: 7,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.34 : 21,813.36 = 4,678.28 : x
  2. Step 2: Convert to fraction form
    14,541.34/21,813.36 = 4,678.28/x
  3. Step 3: Cross multiply
    14,541.34x = 21,813.36 × 4,678.28
  4. Step 4: Simplify right side
    14,541.34x = 102,049,005.82
  5. Step 5: Solve for x
    x = 102,049,005.82/14,541.34
  6. Step 6: Final answer
    x = 7,017.85

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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.