Home / 19,177.91-26,459.15-11,214.50

Finding the Fourth Proportional to 19,177.91, 26,459.15 and 11,214.50

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Solution

The fourth proportional to 19,177.91, 26,459.15 and 11,214.50 is: 15,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.91 : 26,459.15 = 11,214.50 : x
  2. Step 2: Convert to fraction form
    19,177.91/26,459.15 = 11,214.50/x
  3. Step 3: Cross multiply
    19,177.91x = 26,459.15 × 11,214.50
  4. Step 4: Simplify right side
    19,177.91x = 296,725,949.31
  5. Step 5: Solve for x
    x = 296,725,949.31/19,177.91
  6. Step 6: Final answer
    x = 15,472.28

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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.