Home / 19,651.03-29,458.01-9,780.98

Finding the Fourth Proportional to 19,651.03, 29,458.01 and 9,780.98

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Solution

The fourth proportional to 19,651.03, 29,458.01 and 9,780.98 is: 14,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.03 : 29,458.01 = 9,780.98 : x
  2. Step 2: Convert to fraction form
    19,651.03/29,458.01 = 9,780.98/x
  3. Step 3: Cross multiply
    19,651.03x = 29,458.01 × 9,780.98
  4. Step 4: Simplify right side
    19,651.03x = 288,128,059.36
  5. Step 5: Solve for x
    x = 288,128,059.36/19,651.03
  6. Step 6: Final answer
    x = 14,662.24

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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.