Home / 18,858.79-26,025.15-10,475.29

Finding the Fourth Proportional to 18,858.79, 26,025.15 and 10,475.29

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Solution

The fourth proportional to 18,858.79, 26,025.15 and 10,475.29 is: 14,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.79 : 26,025.15 = 10,475.29 : x
  2. Step 2: Convert to fraction form
    18,858.79/26,025.15 = 10,475.29/x
  3. Step 3: Cross multiply
    18,858.79x = 26,025.15 × 10,475.29
  4. Step 4: Simplify right side
    18,858.79x = 272,620,993.54
  5. Step 5: Solve for x
    x = 272,620,993.54/18,858.79
  6. Step 6: Final answer
    x = 14,455.91

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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.