Home / 13,597.77-20,363.85-7,736.61

Finding the Fourth Proportional to 13,597.77, 20,363.85 and 7,736.61

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Solution

The fourth proportional to 13,597.77, 20,363.85 and 7,736.61 is: 11,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.77 : 20,363.85 = 7,736.61 : x
  2. Step 2: Convert to fraction form
    13,597.77/20,363.85 = 7,736.61/x
  3. Step 3: Cross multiply
    13,597.77x = 20,363.85 × 7,736.61
  4. Step 4: Simplify right side
    13,597.77x = 157,547,165.55
  5. Step 5: Solve for x
    x = 157,547,165.55/13,597.77
  6. Step 6: Final answer
    x = 11,586.25

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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.