Home / 21,464.76-29,621.40-12,033.36

Finding the Fourth Proportional to 21,464.76, 29,621.40 and 12,033.36

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Solution

The fourth proportional to 21,464.76, 29,621.40 and 12,033.36 is: 16,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.76 : 29,621.40 = 12,033.36 : x
  2. Step 2: Convert to fraction form
    21,464.76/29,621.40 = 12,033.36/x
  3. Step 3: Cross multiply
    21,464.76x = 29,621.40 × 12,033.36
  4. Step 4: Simplify right side
    21,464.76x = 356,444,969.90
  5. Step 5: Solve for x
    x = 356,444,969.90/21,464.76
  6. Step 6: Final answer
    x = 16,606.05

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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.