Home / 13,599.15-20,402.00-5,697.29

Finding the Fourth Proportional to 13,599.15, 20,402.00 and 5,697.29

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Solution

The fourth proportional to 13,599.15, 20,402.00 and 5,697.29 is: 8,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.15 : 20,402.00 = 5,697.29 : x
  2. Step 2: Convert to fraction form
    13,599.15/20,402.00 = 5,697.29/x
  3. Step 3: Cross multiply
    13,599.15x = 20,402.00 × 5,697.29
  4. Step 4: Simplify right side
    13,599.15x = 116,235,980.08
  5. Step 5: Solve for x
    x = 116,235,980.08/13,599.15
  6. Step 6: Final answer
    x = 8,547.30

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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.