Home / 14,772.72-20,386.26-8,058.21

Finding the Fourth Proportional to 14,772.72, 20,386.26 and 8,058.21

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Solution

The fourth proportional to 14,772.72, 20,386.26 and 8,058.21 is: 11,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.72 : 20,386.26 = 8,058.21 : x
  2. Step 2: Convert to fraction form
    14,772.72/20,386.26 = 8,058.21/x
  3. Step 3: Cross multiply
    14,772.72x = 20,386.26 × 8,058.21
  4. Step 4: Simplify right side
    14,772.72x = 164,276,764.19
  5. Step 5: Solve for x
    x = 164,276,764.19/14,772.72
  6. Step 6: Final answer
    x = 11,120.28

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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.