Home / 14,291.52-21,438.70-4,930.32

Finding the Fourth Proportional to 14,291.52, 21,438.70 and 4,930.32

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Solution

The fourth proportional to 14,291.52, 21,438.70 and 4,930.32 is: 7,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.52 : 21,438.70 = 4,930.32 : x
  2. Step 2: Convert to fraction form
    14,291.52/21,438.70 = 4,930.32/x
  3. Step 3: Cross multiply
    14,291.52x = 21,438.70 × 4,930.32
  4. Step 4: Simplify right side
    14,291.52x = 105,699,651.38
  5. Step 5: Solve for x
    x = 105,699,651.38/14,291.52
  6. Step 6: Final answer
    x = 7,395.97

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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.