Home / 27,774.12-38,329.02-17,162.76

Finding the Fourth Proportional to 27,774.12, 38,329.02 and 17,162.76

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Solution

The fourth proportional to 27,774.12, 38,329.02 and 17,162.76 is: 23,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.12 : 38,329.02 = 17,162.76 : x
  2. Step 2: Convert to fraction form
    27,774.12/38,329.02 = 17,162.76/x
  3. Step 3: Cross multiply
    27,774.12x = 38,329.02 × 17,162.76
  4. Step 4: Simplify right side
    27,774.12x = 657,831,771.30
  5. Step 5: Solve for x
    x = 657,831,771.30/27,774.12
  6. Step 6: Final answer
    x = 23,685.06

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Half scale
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Double scale
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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.