Home / 19,043.24-28,545.24-7,956.40

Finding the Fourth Proportional to 19,043.24, 28,545.24 and 7,956.40

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Solution

The fourth proportional to 19,043.24, 28,545.24 and 7,956.40 is: 11,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.24 : 28,545.24 = 7,956.40 : x
  2. Step 2: Convert to fraction form
    19,043.24/28,545.24 = 7,956.40/x
  3. Step 3: Cross multiply
    19,043.24x = 28,545.24 × 7,956.40
  4. Step 4: Simplify right side
    19,043.24x = 227,117,347.54
  5. Step 5: Solve for x
    x = 227,117,347.54/19,043.24
  6. Step 6: Final answer
    x = 11,926.40

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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.