Home / 21,048.24-29,047.77-12,548.10

Finding the Fourth Proportional to 21,048.24, 29,047.77 and 12,548.10

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Solution

The fourth proportional to 21,048.24, 29,047.77 and 12,548.10 is: 17,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.24 : 29,047.77 = 12,548.10 : x
  2. Step 2: Convert to fraction form
    21,048.24/29,047.77 = 12,548.10/x
  3. Step 3: Cross multiply
    21,048.24x = 29,047.77 × 12,548.10
  4. Step 4: Simplify right side
    21,048.24x = 364,494,322.74
  5. Step 5: Solve for x
    x = 364,494,322.74/21,048.24
  6. Step 6: Final answer
    x = 17,317.09

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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.