Home / 22,628.23-31,225.64-12,555.95

Finding the Fourth Proportional to 22,628.23, 31,225.64 and 12,555.95

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Solution

The fourth proportional to 22,628.23, 31,225.64 and 12,555.95 is: 17,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.23 : 31,225.64 = 12,555.95 : x
  2. Step 2: Convert to fraction form
    22,628.23/31,225.64 = 12,555.95/x
  3. Step 3: Cross multiply
    22,628.23x = 31,225.64 × 12,555.95
  4. Step 4: Simplify right side
    22,628.23x = 392,067,355.65
  5. Step 5: Solve for x
    x = 392,067,355.65/22,628.23
  6. Step 6: Final answer
    x = 17,326.47

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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.