Home / 27,706.49-38,276.66-18,169.01

Finding the Fourth Proportional to 27,706.49, 38,276.66 and 18,169.01

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Solution

The fourth proportional to 27,706.49, 38,276.66 and 18,169.01 is: 25,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,706.49 : 38,276.66 = 18,169.01 : x
  2. Step 2: Convert to fraction form
    27,706.49/38,276.66 = 18,169.01/x
  3. Step 3: Cross multiply
    27,706.49x = 38,276.66 × 18,169.01
  4. Step 4: Simplify right side
    27,706.49x = 695,448,927.46
  5. Step 5: Solve for x
    x = 695,448,927.46/27,706.49
  6. Step 6: Final answer
    x = 25,100.58

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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.