Home / 25,963.07-38,916.80-18,545.03

Finding the Fourth Proportional to 25,963.07, 38,916.80 and 18,545.03

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Solution

The fourth proportional to 25,963.07, 38,916.80 and 18,545.03 is: 27,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.07 : 38,916.80 = 18,545.03 : x
  2. Step 2: Convert to fraction form
    25,963.07/38,916.80 = 18,545.03/x
  3. Step 3: Cross multiply
    25,963.07x = 38,916.80 × 18,545.03
  4. Step 4: Simplify right side
    25,963.07x = 721,713,130.78
  5. Step 5: Solve for x
    x = 721,713,130.78/25,963.07
  6. Step 6: Final answer
    x = 27,797.68

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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.