Home / 19,875.14-27,427.11-10,922.63

Finding the Fourth Proportional to 19,875.14, 27,427.11 and 10,922.63

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Solution

The fourth proportional to 19,875.14, 27,427.11 and 10,922.63 is: 15,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.14 : 27,427.11 = 10,922.63 : x
  2. Step 2: Convert to fraction form
    19,875.14/27,427.11 = 10,922.63/x
  3. Step 3: Cross multiply
    19,875.14x = 27,427.11 × 10,922.63
  4. Step 4: Simplify right side
    19,875.14x = 299,576,037.36
  5. Step 5: Solve for x
    x = 299,576,037.36/19,875.14
  6. Step 6: Final answer
    x = 15,072.91

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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.