Home / 27,966.84-38,602.47-16,644.36

Finding the Fourth Proportional to 27,966.84, 38,602.47 and 16,644.36

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Solution

The fourth proportional to 27,966.84, 38,602.47 and 16,644.36 is: 22,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.84 : 38,602.47 = 16,644.36 : x
  2. Step 2: Convert to fraction form
    27,966.84/38,602.47 = 16,644.36/x
  3. Step 3: Cross multiply
    27,966.84x = 38,602.47 × 16,644.36
  4. Step 4: Simplify right side
    27,966.84x = 642,513,407.57
  5. Step 5: Solve for x
    x = 642,513,407.57/27,966.84
  6. Step 6: Final answer
    x = 22,974.12

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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.