Home / 20,527.29-28,327.73-11,095.85

Finding the Fourth Proportional to 20,527.29, 28,327.73 and 11,095.85

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Solution

The fourth proportional to 20,527.29, 28,327.73 and 11,095.85 is: 15,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.29 : 28,327.73 = 11,095.85 : x
  2. Step 2: Convert to fraction form
    20,527.29/28,327.73 = 11,095.85/x
  3. Step 3: Cross multiply
    20,527.29x = 28,327.73 × 11,095.85
  4. Step 4: Simplify right side
    20,527.29x = 314,320,258.26
  5. Step 5: Solve for x
    x = 314,320,258.26/20,527.29
  6. Step 6: Final answer
    x = 15,312.31

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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.