Home / 19,296.64-28,947.08-6,145.99

Finding the Fourth Proportional to 19,296.64, 28,947.08 and 6,145.99

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Solution

The fourth proportional to 19,296.64, 28,947.08 and 6,145.99 is: 9,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.64 : 28,947.08 = 6,145.99 : x
  2. Step 2: Convert to fraction form
    19,296.64/28,947.08 = 6,145.99/x
  3. Step 3: Cross multiply
    19,296.64x = 28,947.08 × 6,145.99
  4. Step 4: Simplify right side
    19,296.64x = 177,908,407.21
  5. Step 5: Solve for x
    x = 177,908,407.21/19,296.64
  6. Step 6: Final answer
    x = 9,219.66

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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.