Home / 15,552.58-21,462.88-8,746.73

Finding the Fourth Proportional to 15,552.58, 21,462.88 and 8,746.73

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Solution

The fourth proportional to 15,552.58, 21,462.88 and 8,746.73 is: 12,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.58 : 21,462.88 = 8,746.73 : x
  2. Step 2: Convert to fraction form
    15,552.58/21,462.88 = 8,746.73/x
  3. Step 3: Cross multiply
    15,552.58x = 21,462.88 × 8,746.73
  4. Step 4: Simplify right side
    15,552.58x = 187,729,897.63
  5. Step 5: Solve for x
    x = 187,729,897.63/15,552.58
  6. Step 6: Final answer
    x = 12,070.66

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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.