Home / 19,509.18-26,922.48-10,556.49

Finding the Fourth Proportional to 19,509.18, 26,922.48 and 10,556.49

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Solution

The fourth proportional to 19,509.18, 26,922.48 and 10,556.49 is: 14,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.18 : 26,922.48 = 10,556.49 : x
  2. Step 2: Convert to fraction form
    19,509.18/26,922.48 = 10,556.49/x
  3. Step 3: Cross multiply
    19,509.18x = 26,922.48 × 10,556.49
  4. Step 4: Simplify right side
    19,509.18x = 284,206,890.90
  5. Step 5: Solve for x
    x = 284,206,890.90/19,509.18
  6. Step 6: Final answer
    x = 14,567.85

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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.