Home / 14,775.52-20,384.40-14,709.64

Finding the Fourth Proportional to 14,775.52, 20,384.40 and 14,709.64

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Solution

The fourth proportional to 14,775.52, 20,384.40 and 14,709.64 is: 20,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.52 : 20,384.40 = 14,709.64 : x
  2. Step 2: Convert to fraction form
    14,775.52/20,384.40 = 14,709.64/x
  3. Step 3: Cross multiply
    14,775.52x = 20,384.40 × 14,709.64
  4. Step 4: Simplify right side
    14,775.52x = 299,847,185.62
  5. Step 5: Solve for x
    x = 299,847,185.62/14,775.52
  6. Step 6: Final answer
    x = 20,293.51

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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.