Home / 14,263.83-19,682.58-7,889.41

Finding the Fourth Proportional to 14,263.83, 19,682.58 and 7,889.41

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Solution

The fourth proportional to 14,263.83, 19,682.58 and 7,889.41 is: 10,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.83 : 19,682.58 = 7,889.41 : x
  2. Step 2: Convert to fraction form
    14,263.83/19,682.58 = 7,889.41/x
  3. Step 3: Cross multiply
    14,263.83x = 19,682.58 × 7,889.41
  4. Step 4: Simplify right side
    14,263.83x = 155,283,943.48
  5. Step 5: Solve for x
    x = 155,283,943.48/14,263.83
  6. Step 6: Final answer
    x = 10,886.55

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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.