Home / 22,907.70-31,612.95-13,955.58

Finding the Fourth Proportional to 22,907.70, 31,612.95 and 13,955.58

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Solution

The fourth proportional to 22,907.70, 31,612.95 and 13,955.58 is: 19,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907.70 : 31,612.95 = 13,955.58 : x
  2. Step 2: Convert to fraction form
    22,907.70/31,612.95 = 13,955.58/x
  3. Step 3: Cross multiply
    22,907.70x = 31,612.95 × 13,955.58
  4. Step 4: Simplify right side
    22,907.70x = 441,177,052.76
  5. Step 5: Solve for x
    x = 441,177,052.76/22,907.70
  6. Step 6: Final answer
    x = 19,258.90

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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.