Home / 13,838.64-19,097.32-7,551.04

Finding the Fourth Proportional to 13,838.64, 19,097.32 and 7,551.04

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Solution

The fourth proportional to 13,838.64, 19,097.32 and 7,551.04 is: 10,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.64 : 19,097.32 = 7,551.04 : x
  2. Step 2: Convert to fraction form
    13,838.64/19,097.32 = 7,551.04/x
  3. Step 3: Cross multiply
    13,838.64x = 19,097.32 × 7,551.04
  4. Step 4: Simplify right side
    13,838.64x = 144,204,627.21
  5. Step 5: Solve for x
    x = 144,204,627.21/13,838.64
  6. Step 6: Final answer
    x = 10,420.43

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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.