Home / 20,527.14-28,327.44-11,095.70

Finding the Fourth Proportional to 20,527.14, 28,327.44 and 11,095.70

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Solution

The fourth proportional to 20,527.14, 28,327.44 and 11,095.70 is: 15,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.14 : 28,327.44 = 11,095.70 : x
  2. Step 2: Convert to fraction form
    20,527.14/28,327.44 = 11,095.70/x
  3. Step 3: Cross multiply
    20,527.14x = 28,327.44 × 11,095.70
  4. Step 4: Simplify right side
    20,527.14x = 314,312,782.21
  5. Step 5: Solve for x
    x = 314,312,782.21/20,527.14
  6. Step 6: Final answer
    x = 15,312.06

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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.