Home / 14,720.95-22,078.13-4,190.74

Finding the Fourth Proportional to 14,720.95, 22,078.13 and 4,190.74

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Solution

The fourth proportional to 14,720.95, 22,078.13 and 4,190.74 is: 6,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.95 : 22,078.13 = 4,190.74 : x
  2. Step 2: Convert to fraction form
    14,720.95/22,078.13 = 4,190.74/x
  3. Step 3: Cross multiply
    14,720.95x = 22,078.13 × 4,190.74
  4. Step 4: Simplify right side
    14,720.95x = 92,523,702.52
  5. Step 5: Solve for x
    x = 92,523,702.52/14,720.95
  6. Step 6: Final answer
    x = 6,285.17

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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.