Home / 12,358.36-18,521.34-10,708.12

Finding the Fourth Proportional to 12,358.36, 18,521.34 and 10,708.12

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Solution

The fourth proportional to 12,358.36, 18,521.34 and 10,708.12 is: 16,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.36 : 18,521.34 = 10,708.12 : x
  2. Step 2: Convert to fraction form
    12,358.36/18,521.34 = 10,708.12/x
  3. Step 3: Cross multiply
    12,358.36x = 18,521.34 × 10,708.12
  4. Step 4: Simplify right side
    12,358.36x = 198,328,731.28
  5. Step 5: Solve for x
    x = 198,328,731.28/12,358.36
  6. Step 6: Final answer
    x = 16,048.14

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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.