Home / 14,459.14-21,689.46-4,071.70

Finding the Fourth Proportional to 14,459.14, 21,689.46 and 4,071.70

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Solution

The fourth proportional to 14,459.14, 21,689.46 and 4,071.70 is: 6,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.14 : 21,689.46 = 4,071.70 : x
  2. Step 2: Convert to fraction form
    14,459.14/21,689.46 = 4,071.70/x
  3. Step 3: Cross multiply
    14,459.14x = 21,689.46 × 4,071.70
  4. Step 4: Simplify right side
    14,459.14x = 88,312,974.28
  5. Step 5: Solve for x
    x = 88,312,974.28/14,459.14
  6. Step 6: Final answer
    x = 6,107.76

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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.