Home / 18,649.30-25,730.23-10,581.62

Finding the Fourth Proportional to 18,649.30, 25,730.23 and 10,581.62

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Solution

The fourth proportional to 18,649.30, 25,730.23 and 10,581.62 is: 14,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.30 : 25,730.23 = 10,581.62 : x
  2. Step 2: Convert to fraction form
    18,649.30/25,730.23 = 10,581.62/x
  3. Step 3: Cross multiply
    18,649.30x = 25,730.23 × 10,581.62
  4. Step 4: Simplify right side
    18,649.30x = 272,267,516.37
  5. Step 5: Solve for x
    x = 272,267,516.37/18,649.30
  6. Step 6: Final answer
    x = 14,599.34

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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.