Home / 14,724.70-22,088.28-6,405

Finding the Fourth Proportional to 14,724.70, 22,088.28 and 6,405

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Solution

The fourth proportional to 14,724.70, 22,088.28 and 6,405 is: 9,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.70 : 22,088.28 = 6,405 : x
  2. Step 2: Convert to fraction form
    14,724.70/22,088.28 = 6,405/x
  3. Step 3: Cross multiply
    14,724.70x = 22,088.28 × 6,405
  4. Step 4: Simplify right side
    14,724.70x = 141,475,433.40
  5. Step 5: Solve for x
    x = 141,475,433.40/14,724.70
  6. Step 6: Final answer
    x = 9,608.04

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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.