Home / 19,131.32-26,399.64-10,631.96

Finding the Fourth Proportional to 19,131.32, 26,399.64 and 10,631.96

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Solution

The fourth proportional to 19,131.32, 26,399.64 and 10,631.96 is: 14,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.32 : 26,399.64 = 10,631.96 : x
  2. Step 2: Convert to fraction form
    19,131.32/26,399.64 = 10,631.96/x
  3. Step 3: Cross multiply
    19,131.32x = 26,399.64 × 10,631.96
  4. Step 4: Simplify right side
    19,131.32x = 280,679,916.49
  5. Step 5: Solve for x
    x = 280,679,916.49/19,131.32
  6. Step 6: Final answer
    x = 14,671.23

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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.