Home / 21,055.52-31,583.32-14,049.23

Finding the Fourth Proportional to 21,055.52, 31,583.32 and 14,049.23

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Solution

The fourth proportional to 21,055.52, 31,583.32 and 14,049.23 is: 21,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.52 : 31,583.32 = 14,049.23 : x
  2. Step 2: Convert to fraction form
    21,055.52/31,583.32 = 14,049.23/x
  3. Step 3: Cross multiply
    21,055.52x = 31,583.32 × 14,049.23
  4. Step 4: Simplify right side
    21,055.52x = 443,721,133.80
  5. Step 5: Solve for x
    x = 443,721,133.80/21,055.52
  6. Step 6: Final answer
    x = 21,073.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.