Home / 14,422.74-19,904.13-8,456.33

Finding the Fourth Proportional to 14,422.74, 19,904.13 and 8,456.33

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Solution

The fourth proportional to 14,422.74, 19,904.13 and 8,456.33 is: 11,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.74 : 19,904.13 = 8,456.33 : x
  2. Step 2: Convert to fraction form
    14,422.74/19,904.13 = 8,456.33/x
  3. Step 3: Cross multiply
    14,422.74x = 19,904.13 × 8,456.33
  4. Step 4: Simplify right side
    14,422.74x = 168,315,792.12
  5. Step 5: Solve for x
    x = 168,315,792.12/14,422.74
  6. Step 6: Final answer
    x = 11,670.17

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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.