Home / 19,582.58-29,403.03-7,918.58

Finding the Fourth Proportional to 19,582.58, 29,403.03 and 7,918.58

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Solution

The fourth proportional to 19,582.58, 29,403.03 and 7,918.58 is: 11,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.58 : 29,403.03 = 7,918.58 : x
  2. Step 2: Convert to fraction form
    19,582.58/29,403.03 = 7,918.58/x
  3. Step 3: Cross multiply
    19,582.58x = 29,403.03 × 7,918.58
  4. Step 4: Simplify right side
    19,582.58x = 232,830,245.30
  5. Step 5: Solve for x
    x = 232,830,245.30/19,582.58
  6. Step 6: Final answer
    x = 11,889.66

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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.