Home / 14,715.12-20,295.84-10,406.43

Finding the Fourth Proportional to 14,715.12, 20,295.84 and 10,406.43

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Solution

The fourth proportional to 14,715.12, 20,295.84 and 10,406.43 is: 14,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.12 : 20,295.84 = 10,406.43 : x
  2. Step 2: Convert to fraction form
    14,715.12/20,295.84 = 10,406.43/x
  3. Step 3: Cross multiply
    14,715.12x = 20,295.84 × 10,406.43
  4. Step 4: Simplify right side
    14,715.12x = 211,207,238.25
  5. Step 5: Solve for x
    x = 211,207,238.25/14,715.12
  6. Step 6: Final answer
    x = 14,353.08

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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.