Home / 22,918.95-31,628.48-13,966.83

Finding the Fourth Proportional to 22,918.95, 31,628.48 and 13,966.83

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Solution

The fourth proportional to 22,918.95, 31,628.48 and 13,966.83 is: 19,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.95 : 31,628.48 = 13,966.83 : x
  2. Step 2: Convert to fraction form
    22,918.95/31,628.48 = 13,966.83/x
  3. Step 3: Cross multiply
    22,918.95x = 31,628.48 × 13,966.83
  4. Step 4: Simplify right side
    22,918.95x = 441,749,533.48
  5. Step 5: Solve for x
    x = 441,749,533.48/22,918.95
  6. Step 6: Final answer
    x = 19,274.42

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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.