Home / 14,332.59-19,778.08-7,958.81

Finding the Fourth Proportional to 14,332.59, 19,778.08 and 7,958.81

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Solution

The fourth proportional to 14,332.59, 19,778.08 and 7,958.81 is: 10,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.59 : 19,778.08 = 7,958.81 : x
  2. Step 2: Convert to fraction form
    14,332.59/19,778.08 = 7,958.81/x
  3. Step 3: Cross multiply
    14,332.59x = 19,778.08 × 7,958.81
  4. Step 4: Simplify right side
    14,332.59x = 157,409,980.88
  5. Step 5: Solve for x
    x = 157,409,980.88/14,332.59
  6. Step 6: Final answer
    x = 10,982.66

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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.