Home / 22,984.84-31,719.02-13,431.30

Finding the Fourth Proportional to 22,984.84, 31,719.02 and 13,431.30

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Solution

The fourth proportional to 22,984.84, 31,719.02 and 13,431.30 is: 18,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984.84 : 31,719.02 = 13,431.30 : x
  2. Step 2: Convert to fraction form
    22,984.84/31,719.02 = 13,431.30/x
  3. Step 3: Cross multiply
    22,984.84x = 31,719.02 × 13,431.30
  4. Step 4: Simplify right side
    22,984.84x = 426,027,673.33
  5. Step 5: Solve for x
    x = 426,027,673.33/22,984.84
  6. Step 6: Final answer
    x = 18,535.16

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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.