Home / 19,913.86-29,873.40-6,762.70

Finding the Fourth Proportional to 19,913.86, 29,873.40 and 6,762.70

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Solution

The fourth proportional to 19,913.86, 29,873.40 and 6,762.70 is: 10,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.86 : 29,873.40 = 6,762.70 : x
  2. Step 2: Convert to fraction form
    19,913.86/29,873.40 = 6,762.70/x
  3. Step 3: Cross multiply
    19,913.86x = 29,873.40 × 6,762.70
  4. Step 4: Simplify right side
    19,913.86x = 202,024,842.18
  5. Step 5: Solve for x
    x = 202,024,842.18/19,913.86
  6. Step 6: Final answer
    x = 10,144.94

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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.