Home / 14,315.72-21,453.78-10,335.24

Finding the Fourth Proportional to 14,315.72, 21,453.78 and 10,335.24

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Solution

The fourth proportional to 14,315.72, 21,453.78 and 10,335.24 is: 15,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.72 : 21,453.78 = 10,335.24 : x
  2. Step 2: Convert to fraction form
    14,315.72/21,453.78 = 10,335.24/x
  3. Step 3: Cross multiply
    14,315.72x = 21,453.78 × 10,335.24
  4. Step 4: Simplify right side
    14,315.72x = 221,729,965.21
  5. Step 5: Solve for x
    x = 221,729,965.21/14,315.72
  6. Step 6: Final answer
    x = 15,488.57

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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.