Home / 14,265.68-19,686.08-7,979.26

Finding the Fourth Proportional to 14,265.68, 19,686.08 and 7,979.26

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Solution

The fourth proportional to 14,265.68, 19,686.08 and 7,979.26 is: 11,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.68 : 19,686.08 = 7,979.26 : x
  2. Step 2: Convert to fraction form
    14,265.68/19,686.08 = 7,979.26/x
  3. Step 3: Cross multiply
    14,265.68x = 19,686.08 × 7,979.26
  4. Step 4: Simplify right side
    14,265.68x = 157,080,350.70
  5. Step 5: Solve for x
    x = 157,080,350.70/14,265.68
  6. Step 6: Final answer
    x = 11,011.07

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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.