Home / 14,005.17-19,327.14-7,717.55

Finding the Fourth Proportional to 14,005.17, 19,327.14 and 7,717.55

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Solution

The fourth proportional to 14,005.17, 19,327.14 and 7,717.55 is: 10,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.17 : 19,327.14 = 7,717.55 : x
  2. Step 2: Convert to fraction form
    14,005.17/19,327.14 = 7,717.55/x
  3. Step 3: Cross multiply
    14,005.17x = 19,327.14 × 7,717.55
  4. Step 4: Simplify right side
    14,005.17x = 149,158,072.67
  5. Step 5: Solve for x
    x = 149,158,072.67/14,005.17
  6. Step 6: Final answer
    x = 10,650.22

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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.