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Finding the Fourth Proportional to 18,545.58, 25,592.63 and 10,047.47

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Solution

The fourth proportional to 18,545.58, 25,592.63 and 10,047.47 is: 13,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.58 : 25,592.63 = 10,047.47 : x
  2. Step 2: Convert to fraction form
    18,545.58/25,592.63 = 10,047.47/x
  3. Step 3: Cross multiply
    18,545.58x = 25,592.63 × 10,047.47
  4. Step 4: Simplify right side
    18,545.58x = 257,141,003.95
  5. Step 5: Solve for x
    x = 257,141,003.95/18,545.58
  6. Step 6: Final answer
    x = 13,865.35

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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.