Home / 26,576.51-36,661.51-15,813.74

Finding the Fourth Proportional to 26,576.51, 36,661.51 and 15,813.74

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Solution

The fourth proportional to 26,576.51, 36,661.51 and 15,813.74 is: 21,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576.51 : 36,661.51 = 15,813.74 : x
  2. Step 2: Convert to fraction form
    26,576.51/36,661.51 = 15,813.74/x
  3. Step 3: Cross multiply
    26,576.51x = 36,661.51 × 15,813.74
  4. Step 4: Simplify right side
    26,576.51x = 579,755,587.15
  5. Step 5: Solve for x
    x = 579,755,587.15/26,576.51
  6. Step 6: Final answer
    x = 21,814.59

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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.