Home / 14,465.49-19,962.75-8,091.87

Finding the Fourth Proportional to 14,465.49, 19,962.75 and 8,091.87

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Solution

The fourth proportional to 14,465.49, 19,962.75 and 8,091.87 is: 11,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.49 : 19,962.75 = 8,091.87 : x
  2. Step 2: Convert to fraction form
    14,465.49/19,962.75 = 8,091.87/x
  3. Step 3: Cross multiply
    14,465.49x = 19,962.75 × 8,091.87
  4. Step 4: Simplify right side
    14,465.49x = 161,535,977.84
  5. Step 5: Solve for x
    x = 161,535,977.84/14,465.49
  6. Step 6: Final answer
    x = 11,166.99

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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.