Home / 26,143.08-36,080.52-15,532.80

Finding the Fourth Proportional to 26,143.08, 36,080.52 and 15,532.80

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Solution

The fourth proportional to 26,143.08, 36,080.52 and 15,532.80 is: 21,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.08 : 36,080.52 = 15,532.80 : x
  2. Step 2: Convert to fraction form
    26,143.08/36,080.52 = 15,532.80/x
  3. Step 3: Cross multiply
    26,143.08x = 36,080.52 × 15,532.80
  4. Step 4: Simplify right side
    26,143.08x = 560,431,501.06
  5. Step 5: Solve for x
    x = 560,431,501.06/26,143.08
  6. Step 6: Final answer
    x = 21,437.09

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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.