Home / 14,125.69-19,496.01-9,647.79

Finding the Fourth Proportional to 14,125.69, 19,496.01 and 9,647.79

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Solution

The fourth proportional to 14,125.69, 19,496.01 and 9,647.79 is: 13,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.69 : 19,496.01 = 9,647.79 : x
  2. Step 2: Convert to fraction form
    14,125.69/19,496.01 = 9,647.79/x
  3. Step 3: Cross multiply
    14,125.69x = 19,496.01 × 9,647.79
  4. Step 4: Simplify right side
    14,125.69x = 188,093,410.32
  5. Step 5: Solve for x
    x = 188,093,410.32/14,125.69
  6. Step 6: Final answer
    x = 13,315.70

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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.