Home / 17,280,102.80-25,920,154.20-12,801,126.80

Finding the Fourth Proportional to 17,280,102.80, 25,920,154.20 and 12,801,126.80

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Solution

The fourth proportional to 17,280,102.80, 25,920,154.20 and 12,801,126.80 is: 19,201,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280,102.80 : 25,920,154.20 = 12,801,126.80 : x
  2. Step 2: Convert to fraction form
    17,280,102.80/25,920,154.20 = 12,801,126.80/x
  3. Step 3: Cross multiply
    17,280,102.80x = 25,920,154.20 × 12,801,126.80
  4. Step 4: Simplify right side
    17,280,102.80x = 331,807,180,589,752.56
  5. Step 5: Solve for x
    x = 331,807,180,589,752.56/17,280,102.80
  6. Step 6: Final answer
    x = 19,201,690.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.