Home / 18,473.36-25,491.72-10,407.68

Finding the Fourth Proportional to 18,473.36, 25,491.72 and 10,407.68

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Solution

The fourth proportional to 18,473.36, 25,491.72 and 10,407.68 is: 14,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.36 : 25,491.72 = 10,407.68 : x
  2. Step 2: Convert to fraction form
    18,473.36/25,491.72 = 10,407.68/x
  3. Step 3: Cross multiply
    18,473.36x = 25,491.72 × 10,407.68
  4. Step 4: Simplify right side
    18,473.36x = 265,309,664.41
  5. Step 5: Solve for x
    x = 265,309,664.41/18,473.36
  6. Step 6: Final answer
    x = 14,361.74

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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.