Home / 14,900.98-20,558.16-8,934.58

Finding the Fourth Proportional to 14,900.98, 20,558.16 and 8,934.58

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Solution

The fourth proportional to 14,900.98, 20,558.16 and 8,934.58 is: 12,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.98 : 20,558.16 = 8,934.58 : x
  2. Step 2: Convert to fraction form
    14,900.98/20,558.16 = 8,934.58/x
  3. Step 3: Cross multiply
    14,900.98x = 20,558.16 × 8,934.58
  4. Step 4: Simplify right side
    14,900.98x = 183,678,525.17
  5. Step 5: Solve for x
    x = 183,678,525.17/14,900.98
  6. Step 6: Final answer
    x = 12,326.61

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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.