Home / 14,005.07-19,326.08-7,717.44

Finding the Fourth Proportional to 14,005.07, 19,326.08 and 7,717.44

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Solution

The fourth proportional to 14,005.07, 19,326.08 and 7,717.44 is: 10,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.07 : 19,326.08 = 7,717.44 : x
  2. Step 2: Convert to fraction form
    14,005.07/19,326.08 = 7,717.44/x
  3. Step 3: Cross multiply
    14,005.07x = 19,326.08 × 7,717.44
  4. Step 4: Simplify right side
    14,005.07x = 149,147,882.13
  5. Step 5: Solve for x
    x = 149,147,882.13/14,005.07
  6. Step 6: Final answer
    x = 10,649.57

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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.