Home / 19,848.60-29,777.50-8,758.44

Finding the Fourth Proportional to 19,848.60, 29,777.50 and 8,758.44

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Solution

The fourth proportional to 19,848.60, 29,777.50 and 8,758.44 is: 13,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.60 : 29,777.50 = 8,758.44 : x
  2. Step 2: Convert to fraction form
    19,848.60/29,777.50 = 8,758.44/x
  3. Step 3: Cross multiply
    19,848.60x = 29,777.50 × 8,758.44
  4. Step 4: Simplify right side
    19,848.60x = 260,804,447.10
  5. Step 5: Solve for x
    x = 260,804,447.10/19,848.60
  6. Step 6: Final answer
    x = 13,139.69

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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.