Home / 22,713.58-31,343.18-14,215.34

Finding the Fourth Proportional to 22,713.58, 31,343.18 and 14,215.34

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Solution

The fourth proportional to 22,713.58, 31,343.18 and 14,215.34 is: 19,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.58 : 31,343.18 = 14,215.34 : x
  2. Step 2: Convert to fraction form
    22,713.58/31,343.18 = 14,215.34/x
  3. Step 3: Cross multiply
    22,713.58x = 31,343.18 × 14,215.34
  4. Step 4: Simplify right side
    22,713.58x = 445,553,967.66
  5. Step 5: Solve for x
    x = 445,553,967.66/22,713.58
  6. Step 6: Final answer
    x = 19,616.20

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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.