Home / 27,646.41-38,153.03-15,710.25

Finding the Fourth Proportional to 27,646.41, 38,153.03 and 15,710.25

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Solution

The fourth proportional to 27,646.41, 38,153.03 and 15,710.25 is: 21,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.41 : 38,153.03 = 15,710.25 : x
  2. Step 2: Convert to fraction form
    27,646.41/38,153.03 = 15,710.25/x
  3. Step 3: Cross multiply
    27,646.41x = 38,153.03 × 15,710.25
  4. Step 4: Simplify right side
    27,646.41x = 599,393,561.01
  5. Step 5: Solve for x
    x = 599,393,561.01/27,646.41
  6. Step 6: Final answer
    x = 21,680.70

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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.