Home / 14,263.56-19,682.20-7,889.14

Finding the Fourth Proportional to 14,263.56, 19,682.20 and 7,889.14

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Solution

The fourth proportional to 14,263.56, 19,682.20 and 7,889.14 is: 10,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.56 : 19,682.20 = 7,889.14 : x
  2. Step 2: Convert to fraction form
    14,263.56/19,682.20 = 7,889.14/x
  3. Step 3: Cross multiply
    14,263.56x = 19,682.20 × 7,889.14
  4. Step 4: Simplify right side
    14,263.56x = 155,275,636.19
  5. Step 5: Solve for x
    x = 155,275,636.19/14,263.56
  6. Step 6: Final answer
    x = 10,886.18

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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.