Home / 19,515.89-26,931.91-10,563.37

Finding the Fourth Proportional to 19,515.89, 26,931.91 and 10,563.37

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Solution

The fourth proportional to 19,515.89, 26,931.91 and 10,563.37 is: 14,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.89 : 26,931.91 = 10,563.37 : x
  2. Step 2: Convert to fraction form
    19,515.89/26,931.91 = 10,563.37/x
  3. Step 3: Cross multiply
    19,515.89x = 26,931.91 × 10,563.37
  4. Step 4: Simplify right side
    19,515.89x = 284,491,595.48
  5. Step 5: Solve for x
    x = 284,491,595.48/19,515.89
  6. Step 6: Final answer
    x = 14,577.43

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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.