Home / 19,513.49-29,275.70-7,834.91

Finding the Fourth Proportional to 19,513.49, 29,275.70 and 7,834.91

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Solution

The fourth proportional to 19,513.49, 29,275.70 and 7,834.91 is: 11,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.49 : 29,275.70 = 7,834.91 : x
  2. Step 2: Convert to fraction form
    19,513.49/29,275.70 = 7,834.91/x
  3. Step 3: Cross multiply
    19,513.49x = 29,275.70 × 7,834.91
  4. Step 4: Simplify right side
    19,513.49x = 229,372,289.13
  5. Step 5: Solve for x
    x = 229,372,289.13/19,513.49
  6. Step 6: Final answer
    x = 11,754.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.