Home / 14,962.56-20,648.28-8,678.52

Finding the Fourth Proportional to 14,962.56, 20,648.28 and 8,678.52

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Solution

The fourth proportional to 14,962.56, 20,648.28 and 8,678.52 is: 11,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.56 : 20,648.28 = 8,678.52 : x
  2. Step 2: Convert to fraction form
    14,962.56/20,648.28 = 8,678.52/x
  3. Step 3: Cross multiply
    14,962.56x = 20,648.28 × 8,678.52
  4. Step 4: Simplify right side
    14,962.56x = 179,196,510.95
  5. Step 5: Solve for x
    x = 179,196,510.95/14,962.56
  6. Step 6: Final answer
    x = 11,976.33

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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.