Home / 14,266.68-19,688.28-7,979.04

Finding the Fourth Proportional to 14,266.68, 19,688.28 and 7,979.04

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Solution

The fourth proportional to 14,266.68, 19,688.28 and 7,979.04 is: 11,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.68 : 19,688.28 = 7,979.04 : x
  2. Step 2: Convert to fraction form
    14,266.68/19,688.28 = 7,979.04/x
  3. Step 3: Cross multiply
    14,266.68x = 19,688.28 × 7,979.04
  4. Step 4: Simplify right side
    14,266.68x = 157,093,573.65
  5. Step 5: Solve for x
    x = 157,093,573.65/14,266.68
  6. Step 6: Final answer
    x = 11,011.22

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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.