Home / 14,011.92-19,337.64-7,725.50

Finding the Fourth Proportional to 14,011.92, 19,337.64 and 7,725.50

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Solution

The fourth proportional to 14,011.92, 19,337.64 and 7,725.50 is: 10,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.92 : 19,337.64 = 7,725.50 : x
  2. Step 2: Convert to fraction form
    14,011.92/19,337.64 = 7,725.50/x
  3. Step 3: Cross multiply
    14,011.92x = 19,337.64 × 7,725.50
  4. Step 4: Simplify right side
    14,011.92x = 149,392,937.82
  5. Step 5: Solve for x
    x = 149,392,937.82/14,011.92
  6. Step 6: Final answer
    x = 10,661.85

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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.