Home / 51,014.80-76,522.10-13,574.88

Finding the Fourth Proportional to 51,014.80, 76,522.10 and 13,574.88

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Solution

The fourth proportional to 51,014.80, 76,522.10 and 13,574.88 is: 20,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014.80 : 76,522.10 = 13,574.88 : x
  2. Step 2: Convert to fraction form
    51,014.80/76,522.10 = 13,574.88/x
  3. Step 3: Cross multiply
    51,014.80x = 76,522.10 × 13,574.88
  4. Step 4: Simplify right side
    51,014.80x = 1,038,778,324.85
  5. Step 5: Solve for x
    x = 1,038,778,324.85/51,014.80
  6. Step 6: Final answer
    x = 20,362.29

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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.