Home / 13,927.34-20,866.70-11,602.28

Finding the Fourth Proportional to 13,927.34, 20,866.70 and 11,602.28

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Solution

The fourth proportional to 13,927.34, 20,866.70 and 11,602.28 is: 17,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.34 : 20,866.70 = 11,602.28 : x
  2. Step 2: Convert to fraction form
    13,927.34/20,866.70 = 11,602.28/x
  3. Step 3: Cross multiply
    13,927.34x = 20,866.70 × 11,602.28
  4. Step 4: Simplify right side
    13,927.34x = 242,101,377.25
  5. Step 5: Solve for x
    x = 242,101,377.25/13,927.34
  6. Step 6: Final answer
    x = 17,383.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.