Home / 14,318.70-21,482.10-4,458.57

Finding the Fourth Proportional to 14,318.70, 21,482.10 and 4,458.57

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Solution

The fourth proportional to 14,318.70, 21,482.10 and 4,458.57 is: 6,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.70 : 21,482.10 = 4,458.57 : x
  2. Step 2: Convert to fraction form
    14,318.70/21,482.10 = 4,458.57/x
  3. Step 3: Cross multiply
    14,318.70x = 21,482.10 × 4,458.57
  4. Step 4: Simplify right side
    14,318.70x = 95,779,446.60
  5. Step 5: Solve for x
    x = 95,779,446.60/14,318.70
  6. Step 6: Final answer
    x = 6,689.12

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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.