Home / 13,583.77-20,364.68-5,259.53

Finding the Fourth Proportional to 13,583.77, 20,364.68 and 5,259.53

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Solution

The fourth proportional to 13,583.77, 20,364.68 and 5,259.53 is: 7,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.77 : 20,364.68 = 5,259.53 : x
  2. Step 2: Convert to fraction form
    13,583.77/20,364.68 = 5,259.53/x
  3. Step 3: Cross multiply
    13,583.77x = 20,364.68 × 5,259.53
  4. Step 4: Simplify right side
    13,583.77x = 107,108,709.46
  5. Step 5: Solve for x
    x = 107,108,709.46/13,583.77
  6. Step 6: Final answer
    x = 7,885.05

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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.