Home / 22,205.48-30,628.53-14,257.35

Finding the Fourth Proportional to 22,205.48, 30,628.53 and 14,257.35

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Solution

The fourth proportional to 22,205.48, 30,628.53 and 14,257.35 is: 19,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.48 : 30,628.53 = 14,257.35 : x
  2. Step 2: Convert to fraction form
    22,205.48/30,628.53 = 14,257.35/x
  3. Step 3: Cross multiply
    22,205.48x = 30,628.53 × 14,257.35
  4. Step 4: Simplify right side
    22,205.48x = 436,681,672.20
  5. Step 5: Solve for x
    x = 436,681,672.20/22,205.48
  6. Step 6: Final answer
    x = 19,665.50

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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.