Home / 19,848.01-29,749.29-8,146.75

Finding the Fourth Proportional to 19,848.01, 29,749.29 and 8,146.75

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Solution

The fourth proportional to 19,848.01, 29,749.29 and 8,146.75 is: 12,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.01 : 29,749.29 = 8,146.75 : x
  2. Step 2: Convert to fraction form
    19,848.01/29,749.29 = 8,146.75/x
  3. Step 3: Cross multiply
    19,848.01x = 29,749.29 × 8,146.75
  4. Step 4: Simplify right side
    19,848.01x = 242,360,028.31
  5. Step 5: Solve for x
    x = 242,360,028.31/19,848.01
  6. Step 6: Final answer
    x = 12,210.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.