Home / 29,076.84-40,146.30-19,531.26

Finding the Fourth Proportional to 29,076.84, 40,146.30 and 19,531.26

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Solution

The fourth proportional to 29,076.84, 40,146.30 and 19,531.26 is: 26,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076.84 : 40,146.30 = 19,531.26 : x
  2. Step 2: Convert to fraction form
    29,076.84/40,146.30 = 19,531.26/x
  3. Step 3: Cross multiply
    29,076.84x = 40,146.30 × 19,531.26
  4. Step 4: Simplify right side
    29,076.84x = 784,107,823.34
  5. Step 5: Solve for x
    x = 784,107,823.34/29,076.84
  6. Step 6: Final answer
    x = 26,966.75

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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.