Home / 18,628.06-25,717.35-12,348.94

Finding the Fourth Proportional to 18,628.06, 25,717.35 and 12,348.94

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Solution

The fourth proportional to 18,628.06, 25,717.35 and 12,348.94 is: 17,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.06 : 25,717.35 = 12,348.94 : x
  2. Step 2: Convert to fraction form
    18,628.06/25,717.35 = 12,348.94/x
  3. Step 3: Cross multiply
    18,628.06x = 25,717.35 × 12,348.94
  4. Step 4: Simplify right side
    18,628.06x = 317,582,012.11
  5. Step 5: Solve for x
    x = 317,582,012.11/18,628.06
  6. Step 6: Final answer
    x = 17,048.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.