Home / 14,005.50-19,327.65-7,717.74

Finding the Fourth Proportional to 14,005.50, 19,327.65 and 7,717.74

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Solution

The fourth proportional to 14,005.50, 19,327.65 and 7,717.74 is: 10,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.50 : 19,327.65 = 7,717.74 : x
  2. Step 2: Convert to fraction form
    14,005.50/19,327.65 = 7,717.74/x
  3. Step 3: Cross multiply
    14,005.50x = 19,327.65 × 7,717.74
  4. Step 4: Simplify right side
    14,005.50x = 149,165,777.51
  5. Step 5: Solve for x
    x = 149,165,777.51/14,005.50
  6. Step 6: Final answer
    x = 10,650.51

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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.