Home / 14,614.84-21,930.90-5,387.32

Finding the Fourth Proportional to 14,614.84, 21,930.90 and 5,387.32

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Solution

The fourth proportional to 14,614.84, 21,930.90 and 5,387.32 is: 8,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.84 : 21,930.90 = 5,387.32 : x
  2. Step 2: Convert to fraction form
    14,614.84/21,930.90 = 5,387.32/x
  3. Step 3: Cross multiply
    14,614.84x = 21,930.90 × 5,387.32
  4. Step 4: Simplify right side
    14,614.84x = 118,148,776.19
  5. Step 5: Solve for x
    x = 118,148,776.19/14,614.84
  6. Step 6: Final answer
    x = 8,084.16

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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.