Home / 14,087.10-21,127.95-4,226.70

Finding the Fourth Proportional to 14,087.10, 21,127.95 and 4,226.70

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Solution

The fourth proportional to 14,087.10, 21,127.95 and 4,226.70 is: 6,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.10 : 21,127.95 = 4,226.70 : x
  2. Step 2: Convert to fraction form
    14,087.10/21,127.95 = 4,226.70/x
  3. Step 3: Cross multiply
    14,087.10x = 21,127.95 × 4,226.70
  4. Step 4: Simplify right side
    14,087.10x = 89,301,506.27
  5. Step 5: Solve for x
    x = 89,301,506.27/14,087.10
  6. Step 6: Final answer
    x = 6,339.24

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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.