Home / 19,917.43-27,484.95-10,963.48

Finding the Fourth Proportional to 19,917.43, 27,484.95 and 10,963.48

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Solution

The fourth proportional to 19,917.43, 27,484.95 and 10,963.48 is: 15,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.43 : 27,484.95 = 10,963.48 : x
  2. Step 2: Convert to fraction form
    19,917.43/27,484.95 = 10,963.48/x
  3. Step 3: Cross multiply
    19,917.43x = 27,484.95 × 10,963.48
  4. Step 4: Simplify right side
    19,917.43x = 301,330,699.63
  5. Step 5: Solve for x
    x = 301,330,699.63/19,917.43
  6. Step 6: Final answer
    x = 15,129.00

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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.