Home / 27,562.96-38,036.36-14,987.60

Finding the Fourth Proportional to 27,562.96, 38,036.36 and 14,987.60

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Solution

The fourth proportional to 27,562.96, 38,036.36 and 14,987.60 is: 20,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,562.96 : 38,036.36 = 14,987.60 : x
  2. Step 2: Convert to fraction form
    27,562.96/38,036.36 = 14,987.60/x
  3. Step 3: Cross multiply
    27,562.96x = 38,036.36 × 14,987.60
  4. Step 4: Simplify right side
    27,562.96x = 570,073,749.14
  5. Step 5: Solve for x
    x = 570,073,749.14/27,562.96
  6. Step 6: Final answer
    x = 20,682.60

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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.