Home / 14,420.64-21,633.36-4,557.60

Finding the Fourth Proportional to 14,420.64, 21,633.36 and 4,557.60

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Solution

The fourth proportional to 14,420.64, 21,633.36 and 4,557.60 is: 6,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.64 : 21,633.36 = 4,557.60 : x
  2. Step 2: Convert to fraction form
    14,420.64/21,633.36 = 4,557.60/x
  3. Step 3: Cross multiply
    14,420.64x = 21,633.36 × 4,557.60
  4. Step 4: Simplify right side
    14,420.64x = 98,596,201.54
  5. Step 5: Solve for x
    x = 98,596,201.54/14,420.64
  6. Step 6: Final answer
    x = 6,837.16

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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.