Home / 13,595.52-20,399.32-5,276.18

Finding the Fourth Proportional to 13,595.52, 20,399.32 and 5,276.18

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Solution

The fourth proportional to 13,595.52, 20,399.32 and 5,276.18 is: 7,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.52 : 20,399.32 = 5,276.18 : x
  2. Step 2: Convert to fraction form
    13,595.52/20,399.32 = 5,276.18/x
  3. Step 3: Cross multiply
    13,595.52x = 20,399.32 × 5,276.18
  4. Step 4: Simplify right side
    13,595.52x = 107,630,541.79
  5. Step 5: Solve for x
    x = 107,630,541.79/13,595.52
  6. Step 6: Final answer
    x = 7,916.62

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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.