Home / 15,548.80-21,440.39-10,504.26

Finding the Fourth Proportional to 15,548.80, 21,440.39 and 10,504.26

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Solution

The fourth proportional to 15,548.80, 21,440.39 and 10,504.26 is: 14,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.80 : 21,440.39 = 10,504.26 : x
  2. Step 2: Convert to fraction form
    15,548.80/21,440.39 = 10,504.26/x
  3. Step 3: Cross multiply
    15,548.80x = 21,440.39 × 10,504.26
  4. Step 4: Simplify right side
    15,548.80x = 225,215,457.32
  5. Step 5: Solve for x
    x = 225,215,457.32/15,548.80
  6. Step 6: Final answer
    x = 14,484.43

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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.