Home / 37,920.08-56,886.88-12,962.90

Finding the Fourth Proportional to 37,920.08, 56,886.88 and 12,962.90

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Solution

The fourth proportional to 37,920.08, 56,886.88 and 12,962.90 is: 19,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.08 : 56,886.88 = 12,962.90 : x
  2. Step 2: Convert to fraction form
    37,920.08/56,886.88 = 12,962.90/x
  3. Step 3: Cross multiply
    37,920.08x = 56,886.88 × 12,962.90
  4. Step 4: Simplify right side
    37,920.08x = 737,418,936.75
  5. Step 5: Solve for x
    x = 737,418,936.75/37,920.08
  6. Step 6: Final answer
    x = 19,446.66

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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.