Home / 13,904.83-19,188.67-7,531.43

Finding the Fourth Proportional to 13,904.83, 19,188.67 and 7,531.43

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Solution

The fourth proportional to 13,904.83, 19,188.67 and 7,531.43 is: 10,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.83 : 19,188.67 = 7,531.43 : x
  2. Step 2: Convert to fraction form
    13,904.83/19,188.67 = 7,531.43/x
  3. Step 3: Cross multiply
    13,904.83x = 19,188.67 × 7,531.43
  4. Step 4: Simplify right side
    13,904.83x = 144,518,124.90
  5. Step 5: Solve for x
    x = 144,518,124.90/13,904.83
  6. Step 6: Final answer
    x = 10,393.38

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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.