Home / 13,795.74-19,037.97-7,508.07

Finding the Fourth Proportional to 13,795.74, 19,037.97 and 7,508.07

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Solution

The fourth proportional to 13,795.74, 19,037.97 and 7,508.07 is: 10,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.74 : 19,037.97 = 7,508.07 : x
  2. Step 2: Convert to fraction form
    13,795.74/19,037.97 = 7,508.07/x
  3. Step 3: Cross multiply
    13,795.74x = 19,037.97 × 7,508.07
  4. Step 4: Simplify right side
    13,795.74x = 142,938,411.42
  5. Step 5: Solve for x
    x = 142,938,411.42/13,795.74
  6. Step 6: Final answer
    x = 10,361.05

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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.