Home / 14,731.95-20,330.19-8,017.62

Finding the Fourth Proportional to 14,731.95, 20,330.19 and 8,017.62

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Solution

The fourth proportional to 14,731.95, 20,330.19 and 8,017.62 is: 11,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.95 : 20,330.19 = 8,017.62 : x
  2. Step 2: Convert to fraction form
    14,731.95/20,330.19 = 8,017.62/x
  3. Step 3: Cross multiply
    14,731.95x = 20,330.19 × 8,017.62
  4. Step 4: Simplify right side
    14,731.95x = 162,999,737.95
  5. Step 5: Solve for x
    x = 162,999,737.95/14,731.95
  6. Step 6: Final answer
    x = 11,064.37

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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.