Home / 19,303.20-26,638.56-10,919.52

Finding the Fourth Proportional to 19,303.20, 26,638.56 and 10,919.52

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Solution

The fourth proportional to 19,303.20, 26,638.56 and 10,919.52 is: 15,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.20 : 26,638.56 = 10,919.52 : x
  2. Step 2: Convert to fraction form
    19,303.20/26,638.56 = 10,919.52/x
  3. Step 3: Cross multiply
    19,303.20x = 26,638.56 × 10,919.52
  4. Step 4: Simplify right side
    19,303.20x = 290,880,288.69
  5. Step 5: Solve for x
    x = 290,880,288.69/19,303.20
  6. Step 6: Final answer
    x = 15,069.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.