Home / 13,527.95-20,273.40-7,607.72

Finding the Fourth Proportional to 13,527.95, 20,273.40 and 7,607.72

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Solution

The fourth proportional to 13,527.95, 20,273.40 and 7,607.72 is: 11,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.95 : 20,273.40 = 7,607.72 : x
  2. Step 2: Convert to fraction form
    13,527.95/20,273.40 = 7,607.72/x
  3. Step 3: Cross multiply
    13,527.95x = 20,273.40 × 7,607.72
  4. Step 4: Simplify right side
    13,527.95x = 154,234,249.28
  5. Step 5: Solve for x
    x = 154,234,249.28/13,527.95
  6. Step 6: Final answer
    x = 11,401.15

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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.