Home / 20,527.84-28,335.45-12,032.70

Finding the Fourth Proportional to 20,527.84, 28,335.45 and 12,032.70

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Solution

The fourth proportional to 20,527.84, 28,335.45 and 12,032.70 is: 16,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.84 : 28,335.45 = 12,032.70 : x
  2. Step 2: Convert to fraction form
    20,527.84/28,335.45 = 12,032.70/x
  3. Step 3: Cross multiply
    20,527.84x = 28,335.45 × 12,032.70
  4. Step 4: Simplify right side
    20,527.84x = 340,951,969.22
  5. Step 5: Solve for x
    x = 340,951,969.22/20,527.84
  6. Step 6: Final answer
    x = 16,609.25

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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.