Home / 15,555.41-21,466.01-8,841.77

Finding the Fourth Proportional to 15,555.41, 21,466.01 and 8,841.77

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Solution

The fourth proportional to 15,555.41, 21,466.01 and 8,841.77 is: 12,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.41 : 21,466.01 = 8,841.77 : x
  2. Step 2: Convert to fraction form
    15,555.41/21,466.01 = 8,841.77/x
  3. Step 3: Cross multiply
    15,555.41x = 21,466.01 × 8,841.77
  4. Step 4: Simplify right side
    15,555.41x = 189,797,479.03
  5. Step 5: Solve for x
    x = 189,797,479.03/15,555.41
  6. Step 6: Final answer
    x = 12,201.38

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Half scale
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Double scale
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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.