Home / 19,163.52-26,445.36-10,780.04

Finding the Fourth Proportional to 19,163.52, 26,445.36 and 10,780.04

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Solution

The fourth proportional to 19,163.52, 26,445.36 and 10,780.04 is: 14,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.52 : 26,445.36 = 10,780.04 : x
  2. Step 2: Convert to fraction form
    19,163.52/26,445.36 = 10,780.04/x
  3. Step 3: Cross multiply
    19,163.52x = 26,445.36 × 10,780.04
  4. Step 4: Simplify right side
    19,163.52x = 285,082,038.61
  5. Step 5: Solve for x
    x = 285,082,038.61/19,163.52
  6. Step 6: Final answer
    x = 14,876.29

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1.5x scale

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.