Home / 19,447.47-26,822.70-16,763.31

Finding the Fourth Proportional to 19,447.47, 26,822.70 and 16,763.31

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Solution

The fourth proportional to 19,447.47, 26,822.70 and 16,763.31 is: 23,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.47 : 26,822.70 = 16,763.31 : x
  2. Step 2: Convert to fraction form
    19,447.47/26,822.70 = 16,763.31/x
  3. Step 3: Cross multiply
    19,447.47x = 26,822.70 × 16,763.31
  4. Step 4: Simplify right side
    19,447.47x = 449,637,235.14
  5. Step 5: Solve for x
    x = 449,637,235.14/19,447.47
  6. Step 6: Final answer
    x = 23,120.60

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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.