Home / 26,488.98-36,578.51-19,762.91

Finding the Fourth Proportional to 26,488.98, 36,578.51 and 19,762.91

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Solution

The fourth proportional to 26,488.98, 36,578.51 and 19,762.91 is: 27,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.98 : 36,578.51 = 19,762.91 : x
  2. Step 2: Convert to fraction form
    26,488.98/36,578.51 = 19,762.91/x
  3. Step 3: Cross multiply
    26,488.98x = 36,578.51 × 19,762.91
  4. Step 4: Simplify right side
    26,488.98x = 722,897,519.36
  5. Step 5: Solve for x
    x = 722,897,519.36/26,488.98
  6. Step 6: Final answer
    x = 27,290.50

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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.