Home / 14,297.90-19,726.37-8,630.49

Finding the Fourth Proportional to 14,297.90, 19,726.37 and 8,630.49

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Solution

The fourth proportional to 14,297.90, 19,726.37 and 8,630.49 is: 11,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.90 : 19,726.37 = 8,630.49 : x
  2. Step 2: Convert to fraction form
    14,297.90/19,726.37 = 8,630.49/x
  3. Step 3: Cross multiply
    14,297.90x = 19,726.37 × 8,630.49
  4. Step 4: Simplify right side
    14,297.90x = 170,248,239.02
  5. Step 5: Solve for x
    x = 170,248,239.02/14,297.90
  6. Step 6: Final answer
    x = 11,907.22

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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.