Home / 13,801.06-19,009.92-10,811.62

Finding the Fourth Proportional to 13,801.06, 19,009.92 and 10,811.62

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Solution

The fourth proportional to 13,801.06, 19,009.92 and 10,811.62 is: 14,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.06 : 19,009.92 = 10,811.62 : x
  2. Step 2: Convert to fraction form
    13,801.06/19,009.92 = 10,811.62/x
  3. Step 3: Cross multiply
    13,801.06x = 19,009.92 × 10,811.62
  4. Step 4: Simplify right side
    13,801.06x = 205,528,031.27
  5. Step 5: Solve for x
    x = 205,528,031.27/13,801.06
  6. Step 6: Final answer
    x = 14,892.19

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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.