Home / 13,894.71-19,175.79-7,925.01

Finding the Fourth Proportional to 13,894.71, 19,175.79 and 7,925.01

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Solution

The fourth proportional to 13,894.71, 19,175.79 and 7,925.01 is: 10,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.71 : 19,175.79 = 7,925.01 : x
  2. Step 2: Convert to fraction form
    13,894.71/19,175.79 = 7,925.01/x
  3. Step 3: Cross multiply
    13,894.71x = 19,175.79 × 7,925.01
  4. Step 4: Simplify right side
    13,894.71x = 151,968,231.63
  5. Step 5: Solve for x
    x = 151,968,231.63/13,894.71
  6. Step 6: Final answer
    x = 10,937.13

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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.