Home / 14,105.80-19,457.16-9,076.56

Finding the Fourth Proportional to 14,105.80, 19,457.16 and 9,076.56

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Solution

The fourth proportional to 14,105.80, 19,457.16 and 9,076.56 is: 12,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.80 : 19,457.16 = 9,076.56 : x
  2. Step 2: Convert to fraction form
    14,105.80/19,457.16 = 9,076.56/x
  3. Step 3: Cross multiply
    14,105.80x = 19,457.16 × 9,076.56
  4. Step 4: Simplify right side
    14,105.80x = 176,604,080.17
  5. Step 5: Solve for x
    x = 176,604,080.17/14,105.80
  6. Step 6: Final answer
    x = 12,519.96

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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.