Home / 20,527.10-28,327.42-11,095.68

Finding the Fourth Proportional to 20,527.10, 28,327.42 and 11,095.68

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Solution

The fourth proportional to 20,527.10, 28,327.42 and 11,095.68 is: 15,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.10 : 28,327.42 = 11,095.68 : x
  2. Step 2: Convert to fraction form
    20,527.10/28,327.42 = 11,095.68/x
  3. Step 3: Cross multiply
    20,527.10x = 28,327.42 × 11,095.68
  4. Step 4: Simplify right side
    20,527.10x = 314,311,987.55
  5. Step 5: Solve for x
    x = 314,311,987.55/20,527.10
  6. Step 6: Final answer
    x = 15,312.05

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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.