Home / 19,615.47-27,069.35-10,662.95

Finding the Fourth Proportional to 19,615.47, 27,069.35 and 10,662.95

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Solution

The fourth proportional to 19,615.47, 27,069.35 and 10,662.95 is: 14,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.47 : 27,069.35 = 10,662.95 : x
  2. Step 2: Convert to fraction form
    19,615.47/27,069.35 = 10,662.95/x
  3. Step 3: Cross multiply
    19,615.47x = 27,069.35 × 10,662.95
  4. Step 4: Simplify right side
    19,615.47x = 288,638,936.92
  5. Step 5: Solve for x
    x = 288,638,936.92/19,615.47
  6. Step 6: Final answer
    x = 14,714.86

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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.