Home / 14,648.22-21,972.12-3,555

Finding the Fourth Proportional to 14,648.22, 21,972.12 and 3,555

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Solution

The fourth proportional to 14,648.22, 21,972.12 and 3,555 is: 5,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.22 : 21,972.12 = 3,555 : x
  2. Step 2: Convert to fraction form
    14,648.22/21,972.12 = 3,555/x
  3. Step 3: Cross multiply
    14,648.22x = 21,972.12 × 3,555
  4. Step 4: Simplify right side
    14,648.22x = 78,110,886.60
  5. Step 5: Solve for x
    x = 78,110,886.60/14,648.22
  6. Step 6: Final answer
    x = 5,332.45

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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.