Home / 18,511.58-25,545.02-10,126.46

Finding the Fourth Proportional to 18,511.58, 25,545.02 and 10,126.46

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Solution

The fourth proportional to 18,511.58, 25,545.02 and 10,126.46 is: 13,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.58 : 25,545.02 = 10,126.46 : x
  2. Step 2: Convert to fraction form
    18,511.58/25,545.02 = 10,126.46/x
  3. Step 3: Cross multiply
    18,511.58x = 25,545.02 × 10,126.46
  4. Step 4: Simplify right side
    18,511.58x = 258,680,623.23
  5. Step 5: Solve for x
    x = 258,680,623.23/18,511.58
  6. Step 6: Final answer
    x = 13,973.99

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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.