Home / 19,509.24-26,929.72-11,551.52

Finding the Fourth Proportional to 19,509.24, 26,929.72 and 11,551.52

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Solution

The fourth proportional to 19,509.24, 26,929.72 and 11,551.52 is: 15,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.24 : 26,929.72 = 11,551.52 : x
  2. Step 2: Convert to fraction form
    19,509.24/26,929.72 = 11,551.52/x
  3. Step 3: Cross multiply
    19,509.24x = 26,929.72 × 11,551.52
  4. Step 4: Simplify right side
    19,509.24x = 311,079,199.17
  5. Step 5: Solve for x
    x = 311,079,199.17/19,509.24
  6. Step 6: Final answer
    x = 15,945.22

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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.