Home / 19,627.02-27,084.71-11,129.92

Finding the Fourth Proportional to 19,627.02, 27,084.71 and 11,129.92

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Solution

The fourth proportional to 19,627.02, 27,084.71 and 11,129.92 is: 15,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.02 : 27,084.71 = 11,129.92 : x
  2. Step 2: Convert to fraction form
    19,627.02/27,084.71 = 11,129.92/x
  3. Step 3: Cross multiply
    19,627.02x = 27,084.71 × 11,129.92
  4. Step 4: Simplify right side
    19,627.02x = 301,450,655.52
  5. Step 5: Solve for x
    x = 301,450,655.52/19,627.02
  6. Step 6: Final answer
    x = 15,358.96

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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.