Home / 19,288.72-26,579.91-16,264.05

Finding the Fourth Proportional to 19,288.72, 26,579.91 and 16,264.05

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Solution

The fourth proportional to 19,288.72, 26,579.91 and 16,264.05 is: 22,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.72 : 26,579.91 = 16,264.05 : x
  2. Step 2: Convert to fraction form
    19,288.72/26,579.91 = 16,264.05/x
  3. Step 3: Cross multiply
    19,288.72x = 26,579.91 × 16,264.05
  4. Step 4: Simplify right side
    19,288.72x = 432,296,985.24
  5. Step 5: Solve for x
    x = 432,296,985.24/19,288.72
  6. Step 6: Final answer
    x = 22,411.91

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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.