Home / 13,924.81-19,217.26-7,956.35

Finding the Fourth Proportional to 13,924.81, 19,217.26 and 7,956.35

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Solution

The fourth proportional to 13,924.81, 19,217.26 and 7,956.35 is: 10,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.81 : 19,217.26 = 7,956.35 : x
  2. Step 2: Convert to fraction form
    13,924.81/19,217.26 = 7,956.35/x
  3. Step 3: Cross multiply
    13,924.81x = 19,217.26 × 7,956.35
  4. Step 4: Simplify right side
    13,924.81x = 152,899,206.82
  5. Step 5: Solve for x
    x = 152,899,206.82/13,924.81
  6. Step 6: Final answer
    x = 10,980.34

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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.