Home / 14,657.18-21,996.57-9,118.67

Finding the Fourth Proportional to 14,657.18, 21,996.57 and 9,118.67

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Solution

The fourth proportional to 14,657.18, 21,996.57 and 9,118.67 is: 13,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.18 : 21,996.57 = 9,118.67 : x
  2. Step 2: Convert to fraction form
    14,657.18/21,996.57 = 9,118.67/x
  3. Step 3: Cross multiply
    14,657.18x = 21,996.57 × 9,118.67
  4. Step 4: Simplify right side
    14,657.18x = 200,579,462.96
  5. Step 5: Solve for x
    x = 200,579,462.96/14,657.18
  6. Step 6: Final answer
    x = 13,684.72

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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.