Home / 22,920.74-31,630.56-13,968.26

Finding the Fourth Proportional to 22,920.74, 31,630.56 and 13,968.26

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Solution

The fourth proportional to 22,920.74, 31,630.56 and 13,968.26 is: 19,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.74 : 31,630.56 = 13,968.26 : x
  2. Step 2: Convert to fraction form
    22,920.74/31,630.56 = 13,968.26/x
  3. Step 3: Cross multiply
    22,920.74x = 31,630.56 × 13,968.26
  4. Step 4: Simplify right side
    22,920.74x = 441,823,886.03
  5. Step 5: Solve for x
    x = 441,823,886.03/22,920.74
  6. Step 6: Final answer
    x = 19,276.16

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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.