Home / 13,935.31-20,884.29-8,014.93

Finding the Fourth Proportional to 13,935.31, 20,884.29 and 8,014.93

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Solution

The fourth proportional to 13,935.31, 20,884.29 and 8,014.93 is: 12,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.31 : 20,884.29 = 8,014.93 : x
  2. Step 2: Convert to fraction form
    13,935.31/20,884.29 = 8,014.93/x
  3. Step 3: Cross multiply
    13,935.31x = 20,884.29 × 8,014.93
  4. Step 4: Simplify right side
    13,935.31x = 167,386,122.45
  5. Step 5: Solve for x
    x = 167,386,122.45/13,935.31
  6. Step 6: Final answer
    x = 12,011.65

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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.