Home / 17,980.45-26,970.63-4,832.82

Finding the Fourth Proportional to 17,980.45, 26,970.63 and 4,832.82

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Solution

The fourth proportional to 17,980.45, 26,970.63 and 4,832.82 is: 7,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.45 : 26,970.63 = 4,832.82 : x
  2. Step 2: Convert to fraction form
    17,980.45/26,970.63 = 4,832.82/x
  3. Step 3: Cross multiply
    17,980.45x = 26,970.63 × 4,832.82
  4. Step 4: Simplify right side
    17,980.45x = 130,344,094.41
  5. Step 5: Solve for x
    x = 130,344,094.41/17,980.45
  6. Step 6: Final answer
    x = 7,249.21

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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.