Home / 14,175.16-21,265.80-4,313.68

Finding the Fourth Proportional to 14,175.16, 21,265.80 and 4,313.68

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Solution

The fourth proportional to 14,175.16, 21,265.80 and 4,313.68 is: 6,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.16 : 21,265.80 = 4,313.68 : x
  2. Step 2: Convert to fraction form
    14,175.16/21,265.80 = 4,313.68/x
  3. Step 3: Cross multiply
    14,175.16x = 21,265.80 × 4,313.68
  4. Step 4: Simplify right side
    14,175.16x = 91,733,856.14
  5. Step 5: Solve for x
    x = 91,733,856.14/14,175.16
  6. Step 6: Final answer
    x = 6,471.45

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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.