Home / 14,443.46-19,933.30-8,776.90

Finding the Fourth Proportional to 14,443.46, 19,933.30 and 8,776.90

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Solution

The fourth proportional to 14,443.46, 19,933.30 and 8,776.90 is: 12,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.46 : 19,933.30 = 8,776.90 : x
  2. Step 2: Convert to fraction form
    14,443.46/19,933.30 = 8,776.90/x
  3. Step 3: Cross multiply
    14,443.46x = 19,933.30 × 8,776.90
  4. Step 4: Simplify right side
    14,443.46x = 174,952,580.77
  5. Step 5: Solve for x
    x = 174,952,580.77/14,443.46
  6. Step 6: Final answer
    x = 12,112.93

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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.