Home / 13,880.51-19,154.71-7,592.75

Finding the Fourth Proportional to 13,880.51, 19,154.71 and 7,592.75

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Solution

The fourth proportional to 13,880.51, 19,154.71 and 7,592.75 is: 10,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.51 : 19,154.71 = 7,592.75 : x
  2. Step 2: Convert to fraction form
    13,880.51/19,154.71 = 7,592.75/x
  3. Step 3: Cross multiply
    13,880.51x = 19,154.71 × 7,592.75
  4. Step 4: Simplify right side
    13,880.51x = 145,436,924.35
  5. Step 5: Solve for x
    x = 145,436,924.35/13,880.51
  6. Step 6: Final answer
    x = 10,477.78

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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.