Home / 14,235.89-21,346.67-4,744.85

Finding the Fourth Proportional to 14,235.89, 21,346.67 and 4,744.85

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Solution

The fourth proportional to 14,235.89, 21,346.67 and 4,744.85 is: 7,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.89 : 21,346.67 = 4,744.85 : x
  2. Step 2: Convert to fraction form
    14,235.89/21,346.67 = 4,744.85/x
  3. Step 3: Cross multiply
    14,235.89x = 21,346.67 × 4,744.85
  4. Step 4: Simplify right side
    14,235.89x = 101,286,779.03
  5. Step 5: Solve for x
    x = 101,286,779.03/14,235.89
  6. Step 6: Final answer
    x = 7,114.89

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1.5x scale

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.