Home / 14,101.19-19,459.67-7,813.56

Finding the Fourth Proportional to 14,101.19, 19,459.67 and 7,813.56

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Solution

The fourth proportional to 14,101.19, 19,459.67 and 7,813.56 is: 10,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.19 : 19,459.67 = 7,813.56 : x
  2. Step 2: Convert to fraction form
    14,101.19/19,459.67 = 7,813.56/x
  3. Step 3: Cross multiply
    14,101.19x = 19,459.67 × 7,813.56
  4. Step 4: Simplify right side
    14,101.19x = 152,049,260.06
  5. Step 5: Solve for x
    x = 152,049,260.06/14,101.19
  6. Step 6: Final answer
    x = 10,782.73

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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.