Home / 13,904.57-19,188.33-7,531.18

Finding the Fourth Proportional to 13,904.57, 19,188.33 and 7,531.18

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Solution

The fourth proportional to 13,904.57, 19,188.33 and 7,531.18 is: 10,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.57 : 19,188.33 = 7,531.18 : x
  2. Step 2: Convert to fraction form
    13,904.57/19,188.33 = 7,531.18/x
  3. Step 3: Cross multiply
    13,904.57x = 19,188.33 × 7,531.18
  4. Step 4: Simplify right side
    13,904.57x = 144,510,719.16
  5. Step 5: Solve for x
    x = 144,510,719.16/13,904.57
  6. Step 6: Final answer
    x = 10,393.04

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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.