Home / 13,274.19-18,319.23-7,895.16

Finding the Fourth Proportional to 13,274.19, 18,319.23 and 7,895.16

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Solution

The fourth proportional to 13,274.19, 18,319.23 and 7,895.16 is: 10,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.19 : 18,319.23 = 7,895.16 : x
  2. Step 2: Convert to fraction form
    13,274.19/18,319.23 = 7,895.16/x
  3. Step 3: Cross multiply
    13,274.19x = 18,319.23 × 7,895.16
  4. Step 4: Simplify right side
    13,274.19x = 144,633,251.93
  5. Step 5: Solve for x
    x = 144,633,251.93/13,274.19
  6. Step 6: Final answer
    x = 10,895.83

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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.