Home / 13,237.29-19,935.20-12,056.31

Finding the Fourth Proportional to 13,237.29, 19,935.20 and 12,056.31

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Solution

The fourth proportional to 13,237.29, 19,935.20 and 12,056.31 is: 18,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.29 : 19,935.20 = 12,056.31 : x
  2. Step 2: Convert to fraction form
    13,237.29/19,935.20 = 12,056.31/x
  3. Step 3: Cross multiply
    13,237.29x = 19,935.20 × 12,056.31
  4. Step 4: Simplify right side
    13,237.29x = 240,344,890.83
  5. Step 5: Solve for x
    x = 240,344,890.83/13,237.29
  6. Step 6: Final answer
    x = 18,156.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.