Home / 14,009.31-19,332.15-8,040.84

Finding the Fourth Proportional to 14,009.31, 19,332.15 and 8,040.84

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Solution

The fourth proportional to 14,009.31, 19,332.15 and 8,040.84 is: 11,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.31 : 19,332.15 = 8,040.84 : x
  2. Step 2: Convert to fraction form
    14,009.31/19,332.15 = 8,040.84/x
  3. Step 3: Cross multiply
    14,009.31x = 19,332.15 × 8,040.84
  4. Step 4: Simplify right side
    14,009.31x = 155,446,725.01
  5. Step 5: Solve for x
    x = 155,446,725.01/14,009.31
  6. Step 6: Final answer
    x = 11,095.96

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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.