Home / 19,318.59-28,980.32-6,835.68

Finding the Fourth Proportional to 19,318.59, 28,980.32 and 6,835.68

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Solution

The fourth proportional to 19,318.59, 28,980.32 and 6,835.68 is: 10,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.59 : 28,980.32 = 6,835.68 : x
  2. Step 2: Convert to fraction form
    19,318.59/28,980.32 = 6,835.68/x
  3. Step 3: Cross multiply
    19,318.59x = 28,980.32 × 6,835.68
  4. Step 4: Simplify right side
    19,318.59x = 198,100,193.82
  5. Step 5: Solve for x
    x = 198,100,193.82/19,318.59
  6. Step 6: Final answer
    x = 10,254.38

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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.