Home / 14,440.04-19,930.56-8,471.96

Finding the Fourth Proportional to 14,440.04, 19,930.56 and 8,471.96

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Solution

The fourth proportional to 14,440.04, 19,930.56 and 8,471.96 is: 11,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.04 : 19,930.56 = 8,471.96 : x
  2. Step 2: Convert to fraction form
    14,440.04/19,930.56 = 8,471.96/x
  3. Step 3: Cross multiply
    14,440.04x = 19,930.56 × 8,471.96
  4. Step 4: Simplify right side
    14,440.04x = 168,850,907.10
  5. Step 5: Solve for x
    x = 168,850,907.10/14,440.04
  6. Step 6: Final answer
    x = 11,693.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.