Home / 22,521.19-31,076.06-12,957.44

Finding the Fourth Proportional to 22,521.19, 31,076.06 and 12,957.44

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Solution

The fourth proportional to 22,521.19, 31,076.06 and 12,957.44 is: 17,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.19 : 31,076.06 = 12,957.44 : x
  2. Step 2: Convert to fraction form
    22,521.19/31,076.06 = 12,957.44/x
  3. Step 3: Cross multiply
    22,521.19x = 31,076.06 × 12,957.44
  4. Step 4: Simplify right side
    22,521.19x = 402,666,215.28
  5. Step 5: Solve for x
    x = 402,666,215.28/22,521.19
  6. Step 6: Final answer
    x = 17,879.44

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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.