Home / 14,535.11-20,058.20-8,161.76

Finding the Fourth Proportional to 14,535.11, 20,058.20 and 8,161.76

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Solution

The fourth proportional to 14,535.11, 20,058.20 and 8,161.76 is: 11,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.11 : 20,058.20 = 8,161.76 : x
  2. Step 2: Convert to fraction form
    14,535.11/20,058.20 = 8,161.76/x
  3. Step 3: Cross multiply
    14,535.11x = 20,058.20 × 8,161.76
  4. Step 4: Simplify right side
    14,535.11x = 163,710,103.94
  5. Step 5: Solve for x
    x = 163,710,103.94/14,535.11
  6. Step 6: Final answer
    x = 11,263.08

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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.