Home / 17,415.10-26,111.85-10,015.90

Finding the Fourth Proportional to 17,415.10, 26,111.85 and 10,015.90

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Solution

The fourth proportional to 17,415.10, 26,111.85 and 10,015.90 is: 15,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.10 : 26,111.85 = 10,015.90 : x
  2. Step 2: Convert to fraction form
    17,415.10/26,111.85 = 10,015.90/x
  3. Step 3: Cross multiply
    17,415.10x = 26,111.85 × 10,015.90
  4. Step 4: Simplify right side
    17,415.10x = 261,533,678.42
  5. Step 5: Solve for x
    x = 261,533,678.42/17,415.10
  6. Step 6: Final answer
    x = 15,017.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.