Home / 22,476.12-31,028.71-16,419.56

Finding the Fourth Proportional to 22,476.12, 31,028.71 and 16,419.56

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Solution

The fourth proportional to 22,476.12, 31,028.71 and 16,419.56 is: 22,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.12 : 31,028.71 = 16,419.56 : x
  2. Step 2: Convert to fraction form
    22,476.12/31,028.71 = 16,419.56/x
  3. Step 3: Cross multiply
    22,476.12x = 31,028.71 × 16,419.56
  4. Step 4: Simplify right side
    22,476.12x = 509,477,802.09
  5. Step 5: Solve for x
    x = 509,477,802.09/22,476.12
  6. Step 6: Final answer
    x = 22,667.52

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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.