Home / 14,188.36-19,579.17-7,814.74

Finding the Fourth Proportional to 14,188.36, 19,579.17 and 7,814.74

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Solution

The fourth proportional to 14,188.36, 19,579.17 and 7,814.74 is: 10,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.36 : 19,579.17 = 7,814.74 : x
  2. Step 2: Convert to fraction form
    14,188.36/19,579.17 = 7,814.74/x
  3. Step 3: Cross multiply
    14,188.36x = 19,579.17 × 7,814.74
  4. Step 4: Simplify right side
    14,188.36x = 153,006,122.97
  5. Step 5: Solve for x
    x = 153,006,122.97/14,188.36
  6. Step 6: Final answer
    x = 10,783.92

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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.