Home / 17,628.41-26,440.02-5,145.08

Finding the Fourth Proportional to 17,628.41, 26,440.02 and 5,145.08

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Solution

The fourth proportional to 17,628.41, 26,440.02 and 5,145.08 is: 7,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.41 : 26,440.02 = 5,145.08 : x
  2. Step 2: Convert to fraction form
    17,628.41/26,440.02 = 5,145.08/x
  3. Step 3: Cross multiply
    17,628.41x = 26,440.02 × 5,145.08
  4. Step 4: Simplify right side
    17,628.41x = 136,036,018.10
  5. Step 5: Solve for x
    x = 136,036,018.10/17,628.41
  6. Step 6: Final answer
    x = 7,716.86

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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.