Home / 22,930.43-31,630.58-14,419.08

Finding the Fourth Proportional to 22,930.43, 31,630.58 and 14,419.08

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Solution

The fourth proportional to 22,930.43, 31,630.58 and 14,419.08 is: 19,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.43 : 31,630.58 = 14,419.08 : x
  2. Step 2: Convert to fraction form
    22,930.43/31,630.58 = 14,419.08/x
  3. Step 3: Cross multiply
    22,930.43x = 31,630.58 × 14,419.08
  4. Step 4: Simplify right side
    22,930.43x = 456,083,705.31
  5. Step 5: Solve for x
    x = 456,083,705.31/22,930.43
  6. Step 6: Final answer
    x = 19,889.89

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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.