Home / 17,968.10-26,953.16-5,490.05

Finding the Fourth Proportional to 17,968.10, 26,953.16 and 5,490.05

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Solution

The fourth proportional to 17,968.10, 26,953.16 and 5,490.05 is: 8,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.10 : 26,953.16 = 5,490.05 : x
  2. Step 2: Convert to fraction form
    17,968.10/26,953.16 = 5,490.05/x
  3. Step 3: Cross multiply
    17,968.10x = 26,953.16 × 5,490.05
  4. Step 4: Simplify right side
    17,968.10x = 147,974,033.84
  5. Step 5: Solve for x
    x = 147,974,033.84/17,968.10
  6. Step 6: Final answer
    x = 8,235.38

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1.5x scale

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.