Home / 19,607.60-29,405.08-6,456.84

Finding the Fourth Proportional to 19,607.60, 29,405.08 and 6,456.84

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Solution

The fourth proportional to 19,607.60, 29,405.08 and 6,456.84 is: 9,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.60 : 29,405.08 = 6,456.84 : x
  2. Step 2: Convert to fraction form
    19,607.60/29,405.08 = 6,456.84/x
  3. Step 3: Cross multiply
    19,607.60x = 29,405.08 × 6,456.84
  4. Step 4: Simplify right side
    19,607.60x = 189,863,896.75
  5. Step 5: Solve for x
    x = 189,863,896.75/19,607.60
  6. Step 6: Final answer
    x = 9,683.18

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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.