Home / 19,864.31-27,437.00-14,850.78

Finding the Fourth Proportional to 19,864.31, 27,437.00 and 14,850.78

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Solution

The fourth proportional to 19,864.31, 27,437.00 and 14,850.78 is: 20,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.31 : 27,437.00 = 14,850.78 : x
  2. Step 2: Convert to fraction form
    19,864.31/27,437.00 = 14,850.78/x
  3. Step 3: Cross multiply
    19,864.31x = 27,437.00 × 14,850.78
  4. Step 4: Simplify right side
    19,864.31x = 407,460,673.72
  5. Step 5: Solve for x
    x = 407,460,673.72/19,864.31
  6. Step 6: Final answer
    x = 20,512.20

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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.