Home / 14,859.45-20,504.88-8,570.61

Finding the Fourth Proportional to 14,859.45, 20,504.88 and 8,570.61

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Solution

The fourth proportional to 14,859.45, 20,504.88 and 8,570.61 is: 11,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.45 : 20,504.88 = 8,570.61 : x
  2. Step 2: Convert to fraction form
    14,859.45/20,504.88 = 8,570.61/x
  3. Step 3: Cross multiply
    14,859.45x = 20,504.88 × 8,570.61
  4. Step 4: Simplify right side
    14,859.45x = 175,739,329.58
  5. Step 5: Solve for x
    x = 175,739,329.58/14,859.45
  6. Step 6: Final answer
    x = 11,826.77

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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.