Home / 18,970.89-26,180.72-10,474.23

Finding the Fourth Proportional to 18,970.89, 26,180.72 and 10,474.23

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Solution

The fourth proportional to 18,970.89, 26,180.72 and 10,474.23 is: 14,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.89 : 26,180.72 = 10,474.23 : x
  2. Step 2: Convert to fraction form
    18,970.89/26,180.72 = 10,474.23/x
  3. Step 3: Cross multiply
    18,970.89x = 26,180.72 × 10,474.23
  4. Step 4: Simplify right side
    18,970.89x = 274,222,820.66
  5. Step 5: Solve for x
    x = 274,222,820.66/18,970.89
  6. Step 6: Final answer
    x = 14,454.93

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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.