Home / 19,797.47-27,320.63-10,845.05

Finding the Fourth Proportional to 19,797.47, 27,320.63 and 10,845.05

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Solution

The fourth proportional to 19,797.47, 27,320.63 and 10,845.05 is: 14,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.47 : 27,320.63 = 10,845.05 : x
  2. Step 2: Convert to fraction form
    19,797.47/27,320.63 = 10,845.05/x
  3. Step 3: Cross multiply
    19,797.47x = 27,320.63 × 10,845.05
  4. Step 4: Simplify right side
    19,797.47x = 296,293,407.55
  5. Step 5: Solve for x
    x = 296,293,407.55/19,797.47
  6. Step 6: Final answer
    x = 14,966.23

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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.