Home / 14,840.52-20,478.36-8,466.63

Finding the Fourth Proportional to 14,840.52, 20,478.36 and 8,466.63

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Solution

The fourth proportional to 14,840.52, 20,478.36 and 8,466.63 is: 11,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.52 : 20,478.36 = 8,466.63 : x
  2. Step 2: Convert to fraction form
    14,840.52/20,478.36 = 8,466.63/x
  3. Step 3: Cross multiply
    14,840.52x = 20,478.36 × 8,466.63
  4. Step 4: Simplify right side
    14,840.52x = 173,382,697.13
  5. Step 5: Solve for x
    x = 173,382,697.13/14,840.52
  6. Step 6: Final answer
    x = 11,683.06

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Double scale
Find fourth proportional to 14,841.52, 20,479.74 and 8,467.63
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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.