Home / 20,526.62-28,327.05-12,026.70

Finding the Fourth Proportional to 20,526.62, 28,327.05 and 12,026.70

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Solution

The fourth proportional to 20,526.62, 28,327.05 and 12,026.70 is: 16,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.62 : 28,327.05 = 12,026.70 : x
  2. Step 2: Convert to fraction form
    20,526.62/28,327.05 = 12,026.70/x
  3. Step 3: Cross multiply
    20,526.62x = 28,327.05 × 12,026.70
  4. Step 4: Simplify right side
    20,526.62x = 340,680,985.84
  5. Step 5: Solve for x
    x = 340,680,985.84/20,526.62
  6. Step 6: Final answer
    x = 16,597.04

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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.