Home / 19,460.19-26,850.11-11,903.76

Finding the Fourth Proportional to 19,460.19, 26,850.11 and 11,903.76

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Solution

The fourth proportional to 19,460.19, 26,850.11 and 11,903.76 is: 16,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.19 : 26,850.11 = 11,903.76 : x
  2. Step 2: Convert to fraction form
    19,460.19/26,850.11 = 11,903.76/x
  3. Step 3: Cross multiply
    19,460.19x = 26,850.11 × 11,903.76
  4. Step 4: Simplify right side
    19,460.19x = 319,617,160.92
  5. Step 5: Solve for x
    x = 319,617,160.92/19,460.19
  6. Step 6: Final answer
    x = 16,424.16

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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.