Home / 14,011.50-19,335.96-7,723.92

Finding the Fourth Proportional to 14,011.50, 19,335.96 and 7,723.92

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Solution

The fourth proportional to 14,011.50, 19,335.96 and 7,723.92 is: 10,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.50 : 19,335.96 = 7,723.92 : x
  2. Step 2: Convert to fraction form
    14,011.50/19,335.96 = 7,723.92/x
  3. Step 3: Cross multiply
    14,011.50x = 19,335.96 × 7,723.92
  4. Step 4: Simplify right side
    14,011.50x = 149,349,408.16
  5. Step 5: Solve for x
    x = 149,349,408.16/14,011.50
  6. Step 6: Final answer
    x = 10,659.06

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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.