Home / 12,298.56-18,358.40-10,743.36

Finding the Fourth Proportional to 12,298.56, 18,358.40 and 10,743.36

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Solution

The fourth proportional to 12,298.56, 18,358.40 and 10,743.36 is: 16,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.56 : 18,358.40 = 10,743.36 : x
  2. Step 2: Convert to fraction form
    12,298.56/18,358.40 = 10,743.36/x
  3. Step 3: Cross multiply
    12,298.56x = 18,358.40 × 10,743.36
  4. Step 4: Simplify right side
    12,298.56x = 197,230,900.22
  5. Step 5: Solve for x
    x = 197,230,900.22/12,298.56
  6. Step 6: Final answer
    x = 16,036.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.