Home / 14,650.12-21,976.54-4,790.40

Finding the Fourth Proportional to 14,650.12, 21,976.54 and 4,790.40

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Solution

The fourth proportional to 14,650.12, 21,976.54 and 4,790.40 is: 7,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.12 : 21,976.54 = 4,790.40 : x
  2. Step 2: Convert to fraction form
    14,650.12/21,976.54 = 4,790.40/x
  3. Step 3: Cross multiply
    14,650.12x = 21,976.54 × 4,790.40
  4. Step 4: Simplify right side
    14,650.12x = 105,276,417.22
  5. Step 5: Solve for x
    x = 105,276,417.22/14,650.12
  6. Step 6: Final answer
    x = 7,186.04

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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.