Home / 13,892.06-19,170.57-7,925.66

Finding the Fourth Proportional to 13,892.06, 19,170.57 and 7,925.66

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Solution

The fourth proportional to 13,892.06, 19,170.57 and 7,925.66 is: 10,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.06 : 19,170.57 = 7,925.66 : x
  2. Step 2: Convert to fraction form
    13,892.06/19,170.57 = 7,925.66/x
  3. Step 3: Cross multiply
    13,892.06x = 19,170.57 × 7,925.66
  4. Step 4: Simplify right side
    13,892.06x = 151,939,419.83
  5. Step 5: Solve for x
    x = 151,939,419.83/13,892.06
  6. Step 6: Final answer
    x = 10,937.14

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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.