Home / 18,101.34-24,953.68-12,707.36

Finding the Fourth Proportional to 18,101.34, 24,953.68 and 12,707.36

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Solution

The fourth proportional to 18,101.34, 24,953.68 and 12,707.36 is: 17,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.34 : 24,953.68 = 12,707.36 : x
  2. Step 2: Convert to fraction form
    18,101.34/24,953.68 = 12,707.36/x
  3. Step 3: Cross multiply
    18,101.34x = 24,953.68 × 12,707.36
  4. Step 4: Simplify right side
    18,101.34x = 317,095,312.20
  5. Step 5: Solve for x
    x = 317,095,312.20/18,101.34
  6. Step 6: Final answer
    x = 17,517.78

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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.