Home / 15,628.64-21,568.67-10,314.23

Finding the Fourth Proportional to 15,628.64, 21,568.67 and 10,314.23

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Solution

The fourth proportional to 15,628.64, 21,568.67 and 10,314.23 is: 14,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.64 : 21,568.67 = 10,314.23 : x
  2. Step 2: Convert to fraction form
    15,628.64/21,568.67 = 10,314.23/x
  3. Step 3: Cross multiply
    15,628.64x = 21,568.67 × 10,314.23
  4. Step 4: Simplify right side
    15,628.64x = 222,464,302.88
  5. Step 5: Solve for x
    x = 222,464,302.88/15,628.64
  6. Step 6: Final answer
    x = 14,234.40

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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.