Home / 22,940.19-31,644.05-14,428.89

Finding the Fourth Proportional to 22,940.19, 31,644.05 and 14,428.89

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Solution

The fourth proportional to 22,940.19, 31,644.05 and 14,428.89 is: 19,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.19 : 31,644.05 = 14,428.89 : x
  2. Step 2: Convert to fraction form
    22,940.19/31,644.05 = 14,428.89/x
  3. Step 3: Cross multiply
    22,940.19x = 31,644.05 × 14,428.89
  4. Step 4: Simplify right side
    22,940.19x = 456,588,444.46
  5. Step 5: Solve for x
    x = 456,588,444.46/22,940.19
  6. Step 6: Final answer
    x = 19,903.43

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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.