Home / 19,581.17-29,347.70-7,723.04

Finding the Fourth Proportional to 19,581.17, 29,347.70 and 7,723.04

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Solution

The fourth proportional to 19,581.17, 29,347.70 and 7,723.04 is: 11,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.17 : 29,347.70 = 7,723.04 : x
  2. Step 2: Convert to fraction form
    19,581.17/29,347.70 = 7,723.04/x
  3. Step 3: Cross multiply
    19,581.17x = 29,347.70 × 7,723.04
  4. Step 4: Simplify right side
    19,581.17x = 226,653,461.01
  5. Step 5: Solve for x
    x = 226,653,461.01/19,581.17
  6. Step 6: Final answer
    x = 11,575.07

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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.