Home / 19,455.80-29,188.32-6,308.18

Finding the Fourth Proportional to 19,455.80, 29,188.32 and 6,308.18

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Solution

The fourth proportional to 19,455.80, 29,188.32 and 6,308.18 is: 9,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.80 : 29,188.32 = 6,308.18 : x
  2. Step 2: Convert to fraction form
    19,455.80/29,188.32 = 6,308.18/x
  3. Step 3: Cross multiply
    19,455.80x = 29,188.32 × 6,308.18
  4. Step 4: Simplify right side
    19,455.80x = 184,125,176.46
  5. Step 5: Solve for x
    x = 184,125,176.46/19,455.80
  6. Step 6: Final answer
    x = 9,463.77

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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.