Home / 14,257.95-21,390.58-5,935.20

Finding the Fourth Proportional to 14,257.95, 21,390.58 and 5,935.20

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Solution

The fourth proportional to 14,257.95, 21,390.58 and 5,935.20 is: 8,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.95 : 21,390.58 = 5,935.20 : x
  2. Step 2: Convert to fraction form
    14,257.95/21,390.58 = 5,935.20/x
  3. Step 3: Cross multiply
    14,257.95x = 21,390.58 × 5,935.20
  4. Step 4: Simplify right side
    14,257.95x = 126,957,340.74
  5. Step 5: Solve for x
    x = 126,957,340.74/14,257.95
  6. Step 6: Final answer
    x = 8,904.32

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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.