Home / 14,772.58-20,385.51-8,058.07

Finding the Fourth Proportional to 14,772.58, 20,385.51 and 8,058.07

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Solution

The fourth proportional to 14,772.58, 20,385.51 and 8,058.07 is: 11,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.58 : 20,385.51 = 8,058.07 : x
  2. Step 2: Convert to fraction form
    14,772.58/20,385.51 = 8,058.07/x
  3. Step 3: Cross multiply
    14,772.58x = 20,385.51 × 8,058.07
  4. Step 4: Simplify right side
    14,772.58x = 164,267,866.57
  5. Step 5: Solve for x
    x = 164,267,866.57/14,772.58
  6. Step 6: Final answer
    x = 11,119.78

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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.