Home / 14,784.10-22,182.23-5,428.60

Finding the Fourth Proportional to 14,784.10, 22,182.23 and 5,428.60

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Solution

The fourth proportional to 14,784.10, 22,182.23 and 5,428.60 is: 8,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.10 : 22,182.23 = 5,428.60 : x
  2. Step 2: Convert to fraction form
    14,784.10/22,182.23 = 5,428.60/x
  3. Step 3: Cross multiply
    14,784.10x = 22,182.23 × 5,428.60
  4. Step 4: Simplify right side
    14,784.10x = 120,418,426.64
  5. Step 5: Solve for x
    x = 120,418,426.64/14,784.10
  6. Step 6: Final answer
    x = 8,145.13

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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.