Home / 15,006.81-22,511.31-5,146.01

Finding the Fourth Proportional to 15,006.81, 22,511.31 and 5,146.01

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Solution

The fourth proportional to 15,006.81, 22,511.31 and 5,146.01 is: 7,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.81 : 22,511.31 = 5,146.01 : x
  2. Step 2: Convert to fraction form
    15,006.81/22,511.31 = 5,146.01/x
  3. Step 3: Cross multiply
    15,006.81x = 22,511.31 × 5,146.01
  4. Step 4: Simplify right side
    15,006.81x = 115,843,313.82
  5. Step 5: Solve for x
    x = 115,843,313.82/15,006.81
  6. Step 6: Final answer
    x = 7,719.38

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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.