Home / 22,430.54-30,954.52-12,359.58

Finding the Fourth Proportional to 22,430.54, 30,954.52 and 12,359.58

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Solution

The fourth proportional to 22,430.54, 30,954.52 and 12,359.58 is: 17,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.54 : 30,954.52 = 12,359.58 : x
  2. Step 2: Convert to fraction form
    22,430.54/30,954.52 = 12,359.58/x
  3. Step 3: Cross multiply
    22,430.54x = 30,954.52 × 12,359.58
  4. Step 4: Simplify right side
    22,430.54x = 382,584,866.30
  5. Step 5: Solve for x
    x = 382,584,866.30/22,430.54
  6. Step 6: Final answer
    x = 17,056.43

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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.