Home / 14,330.59-19,775.32-7,956.81

Finding the Fourth Proportional to 14,330.59, 19,775.32 and 7,956.81

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Solution

The fourth proportional to 14,330.59, 19,775.32 and 7,956.81 is: 10,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.59 : 19,775.32 = 7,956.81 : x
  2. Step 2: Convert to fraction form
    14,330.59/19,775.32 = 7,956.81/x
  3. Step 3: Cross multiply
    14,330.59x = 19,775.32 × 7,956.81
  4. Step 4: Simplify right side
    14,330.59x = 157,348,463.93
  5. Step 5: Solve for x
    x = 157,348,463.93/14,330.59
  6. Step 6: Final answer
    x = 10,979.90

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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.