Home / 13,583.08-20,369.76-7,347.70

Finding the Fourth Proportional to 13,583.08, 20,369.76 and 7,347.70

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Solution

The fourth proportional to 13,583.08, 20,369.76 and 7,347.70 is: 11,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.08 : 20,369.76 = 7,347.70 : x
  2. Step 2: Convert to fraction form
    13,583.08/20,369.76 = 7,347.70/x
  3. Step 3: Cross multiply
    13,583.08x = 20,369.76 × 7,347.70
  4. Step 4: Simplify right side
    13,583.08x = 149,670,885.55
  5. Step 5: Solve for x
    x = 149,670,885.55/13,583.08
  6. Step 6: Final answer
    x = 11,018.92

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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.