Home / 13,787.59-19,027.34-7,500.19

Finding the Fourth Proportional to 13,787.59, 19,027.34 and 7,500.19

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Solution

The fourth proportional to 13,787.59, 19,027.34 and 7,500.19 is: 10,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.59 : 19,027.34 = 7,500.19 : x
  2. Step 2: Convert to fraction form
    13,787.59/19,027.34 = 7,500.19/x
  3. Step 3: Cross multiply
    13,787.59x = 19,027.34 × 7,500.19
  4. Step 4: Simplify right side
    13,787.59x = 142,708,665.19
  5. Step 5: Solve for x
    x = 142,708,665.19/13,787.59
  6. Step 6: Final answer
    x = 10,350.52

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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.