Home / 17,981.95-26,972.88-4,834.32

Finding the Fourth Proportional to 17,981.95, 26,972.88 and 4,834.32

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Solution

The fourth proportional to 17,981.95, 26,972.88 and 4,834.32 is: 7,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.95 : 26,972.88 = 4,834.32 : x
  2. Step 2: Convert to fraction form
    17,981.95/26,972.88 = 4,834.32/x
  3. Step 3: Cross multiply
    17,981.95x = 26,972.88 × 4,834.32
  4. Step 4: Simplify right side
    17,981.95x = 130,395,533.24
  5. Step 5: Solve for x
    x = 130,395,533.24/17,981.95
  6. Step 6: Final answer
    x = 7,251.47

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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.