Home / 14,877.53-20,530.30-8,162.99

Finding the Fourth Proportional to 14,877.53, 20,530.30 and 8,162.99

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Solution

The fourth proportional to 14,877.53, 20,530.30 and 8,162.99 is: 11,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.53 : 20,530.30 = 8,162.99 : x
  2. Step 2: Convert to fraction form
    14,877.53/20,530.30 = 8,162.99/x
  3. Step 3: Cross multiply
    14,877.53x = 20,530.30 × 8,162.99
  4. Step 4: Simplify right side
    14,877.53x = 167,588,510.54
  5. Step 5: Solve for x
    x = 167,588,510.54/14,877.53
  6. Step 6: Final answer
    x = 11,264.54

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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.