Home / 14,151.92-19,530.52-7,864.29

Finding the Fourth Proportional to 14,151.92, 19,530.52 and 7,864.29

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Solution

The fourth proportional to 14,151.92, 19,530.52 and 7,864.29 is: 10,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.92 : 19,530.52 = 7,864.29 : x
  2. Step 2: Convert to fraction form
    14,151.92/19,530.52 = 7,864.29/x
  3. Step 3: Cross multiply
    14,151.92x = 19,530.52 × 7,864.29
  4. Step 4: Simplify right side
    14,151.92x = 153,593,653.47
  5. Step 5: Solve for x
    x = 153,593,653.47/14,151.92
  6. Step 6: Final answer
    x = 10,853.21

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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.