Home / 18,924.12-26,119.80-10,970.73

Finding the Fourth Proportional to 18,924.12, 26,119.80 and 10,970.73

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Solution

The fourth proportional to 18,924.12, 26,119.80 and 10,970.73 is: 15,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.12 : 26,119.80 = 10,970.73 : x
  2. Step 2: Convert to fraction form
    18,924.12/26,119.80 = 10,970.73/x
  3. Step 3: Cross multiply
    18,924.12x = 26,119.80 × 10,970.73
  4. Step 4: Simplify right side
    18,924.12x = 286,553,273.45
  5. Step 5: Solve for x
    x = 286,553,273.45/18,924.12
  6. Step 6: Final answer
    x = 15,142.22

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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.