Home / 13,800.06-19,008.54-10,810.62

Finding the Fourth Proportional to 13,800.06, 19,008.54 and 10,810.62

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Solution

The fourth proportional to 13,800.06, 19,008.54 and 10,810.62 is: 14,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.06 : 19,008.54 = 10,810.62 : x
  2. Step 2: Convert to fraction form
    13,800.06/19,008.54 = 10,810.62/x
  3. Step 3: Cross multiply
    13,800.06x = 19,008.54 × 10,810.62
  4. Step 4: Simplify right side
    13,800.06x = 205,494,102.69
  5. Step 5: Solve for x
    x = 205,494,102.69/13,800.06
  6. Step 6: Final answer
    x = 14,890.81

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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.