Home / 18,648.06-25,726.23-10,688.46

Finding the Fourth Proportional to 18,648.06, 25,726.23 and 10,688.46

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Solution

The fourth proportional to 18,648.06, 25,726.23 and 10,688.46 is: 14,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.06 : 25,726.23 = 10,688.46 : x
  2. Step 2: Convert to fraction form
    18,648.06/25,726.23 = 10,688.46/x
  3. Step 3: Cross multiply
    18,648.06x = 25,726.23 × 10,688.46
  4. Step 4: Simplify right side
    18,648.06x = 274,973,780.31
  5. Step 5: Solve for x
    x = 274,973,780.31/18,648.06
  6. Step 6: Final answer
    x = 14,745.44

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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.