Home / 22,889.58-34,162.75-21,394.91

Finding the Fourth Proportional to 22,889.58, 34,162.75 and 21,394.91

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Solution

The fourth proportional to 22,889.58, 34,162.75 and 21,394.91 is: 31,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.58 : 34,162.75 = 21,394.91 : x
  2. Step 2: Convert to fraction form
    22,889.58/34,162.75 = 21,394.91/x
  3. Step 3: Cross multiply
    22,889.58x = 34,162.75 × 21,394.91
  4. Step 4: Simplify right side
    22,889.58x = 730,908,961.60
  5. Step 5: Solve for x
    x = 730,908,961.60/22,889.58
  6. Step 6: Final answer
    x = 31,931.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.