Home / 12,895.74-19,354.44-5,110.02

Finding the Fourth Proportional to 12,895.74, 19,354.44 and 5,110.02

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Solution

The fourth proportional to 12,895.74, 19,354.44 and 5,110.02 is: 7,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.74 : 19,354.44 = 5,110.02 : x
  2. Step 2: Convert to fraction form
    12,895.74/19,354.44 = 5,110.02/x
  3. Step 3: Cross multiply
    12,895.74x = 19,354.44 × 5,110.02
  4. Step 4: Simplify right side
    12,895.74x = 98,901,575.49
  5. Step 5: Solve for x
    x = 98,901,575.49/12,895.74
  6. Step 6: Final answer
    x = 7,669.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.