Home / 14,011.50-19,335.93-7,723.74

Finding the Fourth Proportional to 14,011.50, 19,335.93 and 7,723.74

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Solution

The fourth proportional to 14,011.50, 19,335.93 and 7,723.74 is: 10,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.50 : 19,335.93 = 7,723.74 : x
  2. Step 2: Convert to fraction form
    14,011.50/19,335.93 = 7,723.74/x
  3. Step 3: Cross multiply
    14,011.50x = 19,335.93 × 7,723.74
  4. Step 4: Simplify right side
    14,011.50x = 149,345,695.98
  5. Step 5: Solve for x
    x = 149,345,695.98/14,011.50
  6. Step 6: Final answer
    x = 10,658.79

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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.