Home / 13,463.95-18,583.35-8,740.03

Finding the Fourth Proportional to 13,463.95, 18,583.35 and 8,740.03

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Solution

The fourth proportional to 13,463.95, 18,583.35 and 8,740.03 is: 12,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.95 : 18,583.35 = 8,740.03 : x
  2. Step 2: Convert to fraction form
    13,463.95/18,583.35 = 8,740.03/x
  3. Step 3: Cross multiply
    13,463.95x = 18,583.35 × 8,740.03
  4. Step 4: Simplify right side
    13,463.95x = 162,419,036.50
  5. Step 5: Solve for x
    x = 162,419,036.50/13,463.95
  6. Step 6: Final answer
    x = 12,063.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.