Home / 18,826.02-25,980.21-10,868.94

Finding the Fourth Proportional to 18,826.02, 25,980.21 and 10,868.94

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Solution

The fourth proportional to 18,826.02, 25,980.21 and 10,868.94 is: 14,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.02 : 25,980.21 = 10,868.94 : x
  2. Step 2: Convert to fraction form
    18,826.02/25,980.21 = 10,868.94/x
  3. Step 3: Cross multiply
    18,826.02x = 25,980.21 × 10,868.94
  4. Step 4: Simplify right side
    18,826.02x = 282,377,343.68
  5. Step 5: Solve for x
    x = 282,377,343.68/18,826.02
  6. Step 6: Final answer
    x = 14,999.31

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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.