Home / 15,477.68-23,219.14-5,087

Finding the Fourth Proportional to 15,477.68, 23,219.14 and 5,087

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Solution

The fourth proportional to 15,477.68, 23,219.14 and 5,087 is: 7,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.68 : 23,219.14 = 5,087 : x
  2. Step 2: Convert to fraction form
    15,477.68/23,219.14 = 5,087/x
  3. Step 3: Cross multiply
    15,477.68x = 23,219.14 × 5,087
  4. Step 4: Simplify right side
    15,477.68x = 118,115,765.18
  5. Step 5: Solve for x
    x = 118,115,765.18/15,477.68
  6. Step 6: Final answer
    x = 7,631.36

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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.