Home / 13,463.93-18,577.51-8,155.67

Finding the Fourth Proportional to 13,463.93, 18,577.51 and 8,155.67

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Solution

The fourth proportional to 13,463.93, 18,577.51 and 8,155.67 is: 11,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.93 : 18,577.51 = 8,155.67 : x
  2. Step 2: Convert to fraction form
    13,463.93/18,577.51 = 8,155.67/x
  3. Step 3: Cross multiply
    13,463.93x = 18,577.51 × 8,155.67
  4. Step 4: Simplify right side
    13,463.93x = 151,511,927.70
  5. Step 5: Solve for x
    x = 151,511,927.70/13,463.93
  6. Step 6: Final answer
    x = 11,253.17

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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.