Home / 14,349.28-19,799.76-7,975.78

Finding the Fourth Proportional to 14,349.28, 19,799.76 and 7,975.78

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Solution

The fourth proportional to 14,349.28, 19,799.76 and 7,975.78 is: 11,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.28 : 19,799.76 = 7,975.78 : x
  2. Step 2: Convert to fraction form
    14,349.28/19,799.76 = 7,975.78/x
  3. Step 3: Cross multiply
    14,349.28x = 19,799.76 × 7,975.78
  4. Step 4: Simplify right side
    14,349.28x = 157,918,529.81
  5. Step 5: Solve for x
    x = 157,918,529.81/14,349.28
  6. Step 6: Final answer
    x = 11,005.33

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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.