Home / 14,900.41-20,555.46-10,858.57

Finding the Fourth Proportional to 14,900.41, 20,555.46 and 10,858.57

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Solution

The fourth proportional to 14,900.41, 20,555.46 and 10,858.57 is: 14,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.41 : 20,555.46 = 10,858.57 : x
  2. Step 2: Convert to fraction form
    14,900.41/20,555.46 = 10,858.57/x
  3. Step 3: Cross multiply
    14,900.41x = 20,555.46 × 10,858.57
  4. Step 4: Simplify right side
    14,900.41x = 223,202,809.18
  5. Step 5: Solve for x
    x = 223,202,809.18/14,900.41
  6. Step 6: Final answer
    x = 14,979.65

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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.