Home / 18,141.47-25,037.96-11,071.99

Finding the Fourth Proportional to 18,141.47, 25,037.96 and 11,071.99

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Solution

The fourth proportional to 18,141.47, 25,037.96 and 11,071.99 is: 15,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.47 : 25,037.96 = 11,071.99 : x
  2. Step 2: Convert to fraction form
    18,141.47/25,037.96 = 11,071.99/x
  3. Step 3: Cross multiply
    18,141.47x = 25,037.96 × 11,071.99
  4. Step 4: Simplify right side
    18,141.47x = 277,220,080.96
  5. Step 5: Solve for x
    x = 277,220,080.96/18,141.47
  6. Step 6: Final answer
    x = 15,281.02

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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.