Home / 19,783.59-29,675.31-4,992.63

Finding the Fourth Proportional to 19,783.59, 29,675.31 and 4,992.63

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Solution

The fourth proportional to 19,783.59, 29,675.31 and 4,992.63 is: 7,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.59 : 29,675.31 = 4,992.63 : x
  2. Step 2: Convert to fraction form
    19,783.59/29,675.31 = 4,992.63/x
  3. Step 3: Cross multiply
    19,783.59x = 29,675.31 × 4,992.63
  4. Step 4: Simplify right side
    19,783.59x = 148,157,842.97
  5. Step 5: Solve for x
    x = 148,157,842.97/19,783.59
  6. Step 6: Final answer
    x = 7,488.93

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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.