Home / 14,271.01-21,378.82-10,515.98

Finding the Fourth Proportional to 14,271.01, 21,378.82 and 10,515.98

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Solution

The fourth proportional to 14,271.01, 21,378.82 and 10,515.98 is: 15,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.01 : 21,378.82 = 10,515.98 : x
  2. Step 2: Convert to fraction form
    14,271.01/21,378.82 = 10,515.98/x
  3. Step 3: Cross multiply
    14,271.01x = 21,378.82 × 10,515.98
  4. Step 4: Simplify right side
    14,271.01x = 224,819,170.16
  5. Step 5: Solve for x
    x = 224,819,170.16/14,271.01
  6. Step 6: Final answer
    x = 15,753.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.