Home / 14,005.13-19,327.49-7,717.91

Finding the Fourth Proportional to 14,005.13, 19,327.49 and 7,717.91

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Solution

The fourth proportional to 14,005.13, 19,327.49 and 7,717.91 is: 10,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.13 : 19,327.49 = 7,717.91 : x
  2. Step 2: Convert to fraction form
    14,005.13/19,327.49 = 7,717.91/x
  3. Step 3: Cross multiply
    14,005.13x = 19,327.49 × 7,717.91
  4. Step 4: Simplify right side
    14,005.13x = 149,167,693.12
  5. Step 5: Solve for x
    x = 149,167,693.12/14,005.13
  6. Step 6: Final answer
    x = 10,650.94

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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.