Home / 14,877.09-20,530.02-8,162.67

Finding the Fourth Proportional to 14,877.09, 20,530.02 and 8,162.67

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Solution

The fourth proportional to 14,877.09, 20,530.02 and 8,162.67 is: 11,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.09 : 20,530.02 = 8,162.67 : x
  2. Step 2: Convert to fraction form
    14,877.09/20,530.02 = 8,162.67/x
  3. Step 3: Cross multiply
    14,877.09x = 20,530.02 × 8,162.67
  4. Step 4: Simplify right side
    14,877.09x = 167,579,778.35
  5. Step 5: Solve for x
    x = 167,579,778.35/14,877.09
  6. Step 6: Final answer
    x = 11,264.28

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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.