Home / 13,924.68-19,214.28-7,956.74

Finding the Fourth Proportional to 13,924.68, 19,214.28 and 7,956.74

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Solution

The fourth proportional to 13,924.68, 19,214.28 and 7,956.74 is: 10,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.68 : 19,214.28 = 7,956.74 : x
  2. Step 2: Convert to fraction form
    13,924.68/19,214.28 = 7,956.74/x
  3. Step 3: Cross multiply
    13,924.68x = 19,214.28 × 7,956.74
  4. Step 4: Simplify right side
    13,924.68x = 152,882,934.18
  5. Step 5: Solve for x
    x = 152,882,934.18/13,924.68
  6. Step 6: Final answer
    x = 10,979.28

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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.