Home / 14,016.22-21,031.64-13,209.46

Finding the Fourth Proportional to 14,016.22, 21,031.64 and 13,209.46

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Solution

The fourth proportional to 14,016.22, 21,031.64 and 13,209.46 is: 19,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.22 : 21,031.64 = 13,209.46 : x
  2. Step 2: Convert to fraction form
    14,016.22/21,031.64 = 13,209.46/x
  3. Step 3: Cross multiply
    14,016.22x = 21,031.64 × 13,209.46
  4. Step 4: Simplify right side
    14,016.22x = 277,816,607.31
  5. Step 5: Solve for x
    x = 277,816,607.31/14,016.22
  6. Step 6: Final answer
    x = 19,821.08

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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.