Home / 14,240.24-21,345.50-4,877.50

Finding the Fourth Proportional to 14,240.24, 21,345.50 and 4,877.50

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Solution

The fourth proportional to 14,240.24, 21,345.50 and 4,877.50 is: 7,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.24 : 21,345.50 = 4,877.50 : x
  2. Step 2: Convert to fraction form
    14,240.24/21,345.50 = 4,877.50/x
  3. Step 3: Cross multiply
    14,240.24x = 21,345.50 × 4,877.50
  4. Step 4: Simplify right side
    14,240.24x = 104,112,676.25
  5. Step 5: Solve for x
    x = 104,112,676.25/14,240.24
  6. Step 6: Final answer
    x = 7,311.16

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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.