Home / 27,080.76-40,603.83-13,012.80

Finding the Fourth Proportional to 27,080.76, 40,603.83 and 13,012.80

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Solution

The fourth proportional to 27,080.76, 40,603.83 and 13,012.80 is: 19,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.76 : 40,603.83 = 13,012.80 : x
  2. Step 2: Convert to fraction form
    27,080.76/40,603.83 = 13,012.80/x
  3. Step 3: Cross multiply
    27,080.76x = 40,603.83 × 13,012.80
  4. Step 4: Simplify right side
    27,080.76x = 528,369,316.00
  5. Step 5: Solve for x
    x = 528,369,316.00/27,080.76
  6. Step 6: Final answer
    x = 19,510.87

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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.