Home / 19,461.29-26,846.78-11,389.64

Finding the Fourth Proportional to 19,461.29, 26,846.78 and 11,389.64

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Solution

The fourth proportional to 19,461.29, 26,846.78 and 11,389.64 is: 15,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.29 : 26,846.78 = 11,389.64 : x
  2. Step 2: Convert to fraction form
    19,461.29/26,846.78 = 11,389.64/x
  3. Step 3: Cross multiply
    19,461.29x = 26,846.78 × 11,389.64
  4. Step 4: Simplify right side
    19,461.29x = 305,775,102.41
  5. Step 5: Solve for x
    x = 305,775,102.41/19,461.29
  6. Step 6: Final answer
    x = 15,711.96

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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.